旋回

Its main products includes brake valves, bellows brake valves, stop valves, stop valve of the corrugated pipe , check valves, ball valves, high-temperature ball valves of the integrative type , butterfly valves , plunger valves, column fill in floodgate valves , column fill stop valves , blowoff valves , relief valves , reducing valves, drain valves , diaphragm valves , plug valves and various energy-saving valves.

主要产品有闸阀、波纹管闸阀、截止阀、波纹管截止阀、止回阀、球阀、一体式高温球阀、蝶阀、柱塞阀、柱塞闸阀、柱塞截止阀、排污阀、安全阀、减压阀、疏水阀、隔膜阀、旋塞阀及各种节能阀门。

U.S. Witton valve The main products are: electric valve, pneumatic valve, high temperature and pressure valve, ball valve, gate valve, butterfly valve, globe valve, check valve, control valve, solenoid valve, safety valve, needle valves, steam traps, plug valves, diaphragm valve, duckbill valve, discharge valve, exhaust valve, breathing valves, filters, flame arrester, the throttle valve, angle seat valve, balance valve, discharge valve, sludge valve, isolating valve, valve, pipe clip valve, plunger valve, foot valve, depending on the lens, flange, hydraulic control valves, and other products.

美国威顿阀门主要产品有：电动阀门、气动阀门、高温高压阀门、球阀、闸阀、蝶阀、截止阀、止回阀、调节阀、电磁阀、安全阀、针型阀、疏水阀、旋塞阀、隔膜阀、鸭嘴阀、放料阀、排气阀、呼吸阀、过滤器、阻火器、节流阀、角座阀、平衡阀、排污阀、排泥阀、切断阀、减压阀、管夹阀、柱塞阀、底阀、视镜、法兰、水力控制阀等系列产品。

U.S. Will Valve The main products are: electric valve, pneumatic valve, high temperature and pressure valve, ball valve, gate valve, butterfly valve, globe valve, check valve, control valve, solenoid valve, safety valve, needle valves, steam traps, plug valves, diaphragm valve, duckbill valve, discharge valve, exhaust valve, breathing valves, filters, flame arrester, the throttle valve, angle seat valve, balance valve, discharge valve, sludge valve, isolating valve, valve, pipe clip valve, plunger valve, foot valve, depending on the lens, flange, hydraulic control valves and other products.

美国威尔阀门主要产品有：电动阀门、气动阀门、高温高压阀门、球阀、闸阀、蝶阀、截止阀、止回阀、调节阀、电磁阀、安全阀、针型阀、疏水阀、旋塞阀、隔膜阀、鸭嘴阀、放料阀、排气阀、呼吸阀、过滤器、阻火器、节流阀、角座阀、平衡阀、排污阀、排泥阀、切断阀、减压阀、管夹阀、柱塞阀、底阀、视镜、法兰、水力控制阀等系列产品。

Germany Nock valve The main products are: electric valve, pneumatic valve, high temperature and pressure valve, ball valve, gate valve, butterfly valve, globe valve, check valve, control valve, solenoid valve, safety valve, needle valves, steam traps, plug valves, diaphragm valve, duckbill valve, discharge valve, exhaust valve, breathing valves, filters, flame arrester, the throttle valve, angle seat valve, balance valve, discharge valve, sludge valve, isolating valve, valve, pipe clip valve, plunger valve, foot valve, depending on the lens, flange, hydraulic control valves.

德国诺克阀门主要产品有：电动阀门、气动阀门、高温高压阀门、球阀、闸阀、蝶阀、截止阀、止回阀、调节阀、电磁阀、安全阀、针型阀、疏水阀、旋塞阀、隔膜阀、鸭嘴阀、放料阀、排气阀、呼吸阀、过滤器、阻火器、节流阀、角座阀、平衡阀、排污阀、排泥阀、切断阀、减压阀、管夹阀、柱塞阀、底阀、视镜、法兰、水力控制阀等。

Germany Valve The main products are: electric valve, pneumatic valve, high temperature and high pressure valves, ball valve, gate valve, butterfly valve, globe valve, check valve, regulating valve, solenoid valve, safety valve, needle type valves, steam trap, trap, plug valves, diaphragm valves, Duckbill valve, discharge valve, exhaust valve, breathing valves, filters, flame arrester, throttle valve, angle seat valve, balance valve, sewage valve, mud valve, cut off valve, reducing valve, pipe clip valve, plunger valve, bottom valve, depending on the mirror, flange, hydraulic control valves and other products.

德国柏林阀门主要产品有：高温高压阀门、电动阀门、气动阀门、球阀、闸阀、蝶阀、截止阀、止回阀、调节阀、电磁阀、安全阀、针型阀、疏水器、疏水阀、旋塞阀、隔膜阀、鸭嘴阀、放料阀、排气阀、呼吸阀、过滤器、阻火器、节流阀、角座阀、平衡阀、排污阀、排泥阀、切断阀、减压阀、管夹阀、柱塞阀、底阀、视镜、法兰、水力控制阀等进口阀门系列产品。

UK Rotork valve The main products are: electric valve, pneumatic valve, high pressure valves, ball valves, gate valve, butterfly valve, globe valve, check valve, control valve, solenoid valve, safety valve , needle valves, steam trap | trap, plug valves, diaphragm valve, duckbill valve, discharge valve, exhaust valve, breathing valves, filters, flame arrester, the throttle valve, angle seat valve, balance valve, sewage valves, mud valves, isolating valve, valve, pipe clip valve, plunger valve, foot valve, depending on the lens, flange, hydraulic control valves.

英国罗托克阀门主要产品有：电动阀门、气动阀门、高温高压阀门、球阀、闸阀、蝶阀、截止阀、止回阀、调节阀、电磁阀、安全阀、针型阀、疏水器|疏水阀、旋塞阀、隔膜阀、鸭嘴阀、放料阀、排气阀、呼吸阀、过滤器、阻火器、节流阀、角座阀、平衡阀、排污阀、排泥阀、切断阀、减压阀、管夹阀、柱塞阀、底阀、视镜、法兰、水力控制阀等。

Valve repair professional valve repair plant types are: high-pressure valve repair, valve repair electrical, pneumatic valve repair, high temperature valve repair, valve repair door closing valve repair, door repair butterfly valve, check valve door repair, ball valve repair, valve repair door, regulating valve repair, repair of hydraulic control valves, safety valve repair, valve repair door, trap door repair, door repair plug valves, insulation valve repair, Electromagnetic valve repair, sewage valve repair, vacuum valve repair, cut off the valve repair, valve repair with many management folder valve repair, instrument repair the valve, at the end of the valve repair, gas valve repair, control valve repair , serous valve repair, slurry valve repair, Valve repair, needle-valve repair, three-way valve repair, valve repair tone, slagging-valve repair, valve repair sludge, breathing valve repair, seal valve repair , unloading valve repair ash, slag slurry valve repair, power station valve repair, discharge valve repair, ball valve repair, valve repair door, ceramic valve repair │ flashboard valve repair, valve repair Venetian blind board valve repair, valve repair mud, plunger valve repair, valve repair hydrogen, inspiratory valve repair, door repair reversing valve, electric valve repair, import repair valve, copper valve repair, valve repair and so on the stainless steel valve repair.

阀门维修厂专业阀门维修种类有：高压阀门维修，电动阀门维修，气动阀门维修，高温阀门维修，闸阀门维修，截止阀门维修，蝶阀门维修，止回阀门维修，球阀门维修，减压阀门维修，调节阀门维修，水力控制阀门维修，安全阀门维修，隔膜阀门维修，疏水阀门维修，旋塞阀门维修，保温阀门维修，电磁阀门维修，排污阀门维修，真空阀门修理，切断阀门维修，多用阀门维修，管夹阀门维修，仪表阀门维修，底阀门维修，燃气阀门修理，控制阀门维修，浆液阀门维修，浆料阀门维修，平衡阀维修，针型阀维修，三通阀维修，调门压阀维修，排渣阀维修，排泥阀维修，呼吸阀维修，水封阀门维修，卸灰阀门维修，浆渣阀门维修，电站阀修理，放料阀门维修，浮球阀门维修，温控阀门维修，陶瓷阀维修│插板阀维修，百叶阀维修，盲板阀维修，泥浆阀维修，柱塞阀维修，氢气阀门维修，吸气阀门维修，换向阀门维修，电动阀维修，进口阀门维修，铜阀门修理，不锈钢阀门修理等等的阀门修理。

Valve repair professional valve repair plant types are: high-pressure valve repair electric valve repair │││ high temperature pneumatic valve repair valve repair valve ││ closing valve repair door repair door repair ││ butterfly valve check valve │ ball valve repair door repair door repair relief valve │││ regulating valve repair hydraulic control valve safety valve repair repair │││ valve trap door repair door repair door repair stopcock │││ insulation valve repair Electromagnetic valve repair valve repair sewage │││ vacuum valve repair cut off valve repair with valve repair many │││ tube folder valve repair instrumentation valve repair at the end of the valve repair │││ gas valve control valve repair repair serous valve repair │││ slurry valve repair balance valve repair needle-valve repair │││ transfer three-way valve repair door valve repair valve repair slagging ││ Sludge │ breathing valve repair valve repair water valve repair │││ dumping ash slurry residue valve repair valve repair valve repair station │││discharge valve repair valve repair ball valve ││ valve repair door repair ceramic valve repair │││ flashboard valve repair Venetian Blind plate valve repair valve repair │││ mud valve repair plunger valve repair valve repair hydrogen │││ inspiratory valve repair door reversing valve repair electrical repair │││ copper imports valve repair valve repair │ stainless steel valve repair of valve repair and so on.

阀门维修厂专业阀门维修种类有：高压阀门维修│电动阀门维修│气动阀门维修│高温阀门维修│闸阀门维修│截止阀门维修│蝶阀门维修│止回阀门维修│球阀门维修│减压阀门维修│调节阀门维修│水力控制阀门维修│安全阀门维修│隔膜阀门维修│疏水阀门维修│旋塞阀门维修│保温阀门维修│电磁阀门维修│排污阀门维修│真空阀门修理│切断阀门维修│多用阀门维修│管夹阀门维修│仪表阀门维修│底阀门维修│燃气阀门修理│控制阀门维修│浆液阀门维修│浆料阀门维修│平衡阀维修│针型阀维修│三通阀维修│调门压阀维修│排渣阀维修│排泥阀维修│呼吸阀维修│水封阀门维修│卸灰阀门维修│浆渣阀门维修│电站阀修理│衬氟阀门修理│放料阀门维修│浮球阀门维修│温控阀门维修│陶瓷阀维修│插板阀维修│百叶阀维修│盲板阀维修│泥浆阀维修│柱塞阀维修│氢气阀门维修│吸气阀门维修│换向阀门维修│电动阀维修│进口阀门维修│铜阀门修理│不锈钢阀门修理等等的阀门修理。

By ultrasonic echo noise-reduction testing on CS-1-5 test block's flat bottom hole and certain helicopter totors' fatigue flaw, it is shown that ultrasonic signal SNR is increased remarkably.

经对CS-1-5试块的Φ2平底孔超声反射回波和某型直升机旋翼大梁疲劳裂纹超声反射回波的降噪试验，试验结果表明，处理后的超声信号信噪比显著增强。

The feature of this kind of target is analyzed and the new scheme for the ISAR imaging is proposed.

依据高速运动自旋目标的运动特点，建立了其ISAR回波模型，并在回波模型分析的基础上提出了该类目标的ISAR成像投影像概念及计算方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐