真空的

Using carbon, iron, silicon, ferrochromium, ferrotitanium and nickel powder as the raw ma terials, chromium carbide/Fe-based composite coatings with an even and smooth surface were prepared by vacuum reactive braze coating, which combined with a mild steel substrate by a metallurgical bonding.

以纯铁粉、硅粉、硼铁粉、铬铁粉、胶体石墨及镍粉为原料，通过真空反应钎涂在低碳钢基体上制备了碳化铬／铁基自熔合金复合涂层，涂层表面光滑、平整且与基体为冶金结合。应用扫描电子显微镜、能谱仪、X射线衍射仪及显微硬度计，研究了涂层的组织结构、成分分布和硬度分布。

To avoid these complications, it is probably better to use a pressure rather than a vacuum filtration system.

为了避免这些并发症，它可能是更好的使用压力，而不是一个真空过滤系统。

GD high vacuum flapper valve is used to put through or cut off the airflow in vacuum pipeline.

用于接通或切断真空管路中的气流。

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。

Valve types of production have, gate valve, globe valve, butterfly valve, check valve, ball valve, relief valve, regulating valve, safety valve, valve, positioning devices, traps, plug valves, solenoid valves, sewage valve , cylinder valve, vacuum valve, shut-off valves, multi-use valve, pipe valve folder, instrument valve at the end of valve, gas valve, control valve, slurry valve, slurry valve, balance valve, needle valve, three-way valve,÷·§, slagging valves, mud valves, breathing valve, water valve, dumping ash valves, slurry valves slag, power station valves,·úvalve, discharge valve, floating ball valve, control valve, ceramic valve, flashboard valve, insulation valve, valve Venetian blind plate valve, slurry valve, the hydrogen valve, plunger valve, suction valve, reversing valve, electric valve, intake valve, copper valve, electric head, filters, plastic valves - Pai valves, hydraulic valves, knife gate valve,·§, pneumatic valves, proportional valves, Check Valves, Angle Valves, water valves, special valves, special valves, valve imports, health valves, American Standard Valve , glass steel valves, valve together, forged steel valves, hydraulic control valves, stainless steel valves, corrosion-resistant valves, ventilation valves, level gauge, etc., and in accordance with the special requirements of users smelting and manufacturing.

生产的阀门种类有，闸阀，截止阀，蝶阀，止回阀，球阀，减压阀，调节阀，安全阀，隔膜阀，定位器，疏水阀，旋塞阀，电磁阀，排污阀，气瓶阀，真空阀，切断阀，多用阀，管夹阀，仪表阀底阀，燃气阀，控制阀，浆液阀，浆料阀，平衡阀，针型阀，三通阀，调压阀，排渣阀，排泥阀，呼吸阀，水封阀，卸灰阀，浆渣阀，电站阀门，衬氟阀，放料阀，浮球阀，自控阀，陶瓷阀，插板阀，保温阀，百叶阀，盲板阀，泥浆阀，氢气阀，柱塞阀，吸气阀，换向阀，电动阀门，进气阀，铜阀，电动头，过滤器，塑料阀门-排气阀，液压阀，刀闸阀，瓶阀，气动阀门，比例阀，单向阀，角阀，止水阀，专用阀，特殊阀，进口阀，卫生阀门，美标阀门，玻璃钢阀门，阀门合，锻钢阀门，水力控制阀，不锈钢阀门，耐腐蚀阀门，通风阀门，液位计等，并可根据用户特殊要求冶炼和制造。

The theory of vacuum flashover and the idea of design are briefly introduced.

简介了真空表面闪络机理，径向绝缘结构的设计思路。

Research and development of the surface flashover of ceramic insulator in vacuum.

真空中陶瓷绝缘子的沿面闪络现象及其研究进展。

Let's start with this vacuum flask for keeping drinks hot.

让我们从这个保持饮料温度的真空热水瓶开始。

Used as a general cleaning oil-free vacuum system before the pump to prevent oil pollution.

用做一般无油清洁真空系统的前级泵，以防止油污染。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。