冲程

In addition, volumetric efficiency and the in-cylinder pressure behavior during the intake and compression stroke were obtained and compared with the experimental data.

在容积效率、进气与压缩两冲程之缸内压力方面，其数值模拟值与实验值两者间所显示之差异在5%以内；此外，对三组最大进气阀升程之模拟，其所得之容积效率值在趋势上系属合理。

The Vifa PL woofers were designed without compromise and feature a specially coated paper cone, Non Resonant Suspension Coupling system, long linear excursion, and a vented pole piece.

该威发特等woofers设计，没有妥协和功能一个专门涂布纸锥，非谐振暂停耦合系统的，长期的线性冲程和排气杆件。

When change cross fall and stroke still might maintain the surface of bed movement balance,the spring laid aside in box in vivo,the knot constructs compact,also can time obtain the final ore concentrate and the final debris

在改变横向情侣装厂家直销和冲程时仍可保持床面运行平衡，弹簧重庆玻纤厂在箱体内，结构紧凑，且能有关新型玻璃的作文得出最终精矿和最终尾矿。

TBN70 marine cylinder oil for two stroke cross head diesel engine with big power and low speed,is developed with the neutral oil from Xinjiang 0 # crude oil as base oil and the overbased calcium naphthenic acid from Dushanzi Petrochemical Subsidiary as the main detergent.

以独山子石化分公司生产的高碱值环烷酸钙为主要清净剂，以新疆 0 #原油生产的基础油研制适用于大功率低速二冲程十字头式柴油机的TBN70船用汽缸油。

And the same number of well-known international companies in China, on its products:◎ Honda "HONDA"-Product: Series lawn grass cutting vehicles, lawn grass cutting machine, environment-friendly four-stroke cutting grass playing irrigation machines, gasoline engines, pumps;◎ the United States "TORO" produced by spray irrigation equipment: a variety of models and buried guns, electromagnetic valve, controller;◎ the United States "TORO" produced by Sports Ground Equipment: Triple hob grass cutting machines, multi-purpose transport aircraft, drilling Machine, the green grass cutting machines, machine crossed stadium turf, lawn sweeping machine, Rotary Daojian wide grass machine, suction machine leaves, lawn tractors, heavy-duty garden tractors, zero turn efficient grass cutting car use Landscaping 000 engineering vehicles ;◎ Japan's Komatsu company's Hedgerow pruning machine, a grass-cutting irrigation, logging chain saw fighting sticks, tree branches shredders, digging machine, mini-excavators;◎ Japan's Ishikawajima Shibaura company's golf equipment: air - Lawn machine, Shoufu-green grass cutting machine, triple grass cutting machine, Tuogua-triple grass cutting machine, a review of sand, cutting grass-roots comb, Shoufu pressure roller-green machine, lawn sweeping vehicles, Fertilization sowing machine, the green grass Gun pressure, green cleaning machine, knife-cut home-Bitola, rake sand machine, drilling machine;◎ Italy Italy Make the production company,"Omar card" Hedgerow cutting machines, cutting irrigation Grass-fighting and fighting sticks logging chain saw, the specifications for digging machine, gasoline / electric lawn grass cutting machine;◎ Sweden,"Sandvik" gardening tools.

并同多家国际著名公司合作，在中国代理其产品：◎本田&HONDA&通机产品：系列草坪剪草车、草坪剪草机、四冲程环保型割灌打草机、汽油发动机、水泵；◎美国&TORO&公司生产的喷灌设备：多种型号地埋式喷头、电磁阀、控制器；扫机、宽幅旋刀剪草机、吸树叶机、草坪拖拉机、重型园林拖拉机、零度转弯高效剪草车园林绿化万用工程车；◎日本小松公司生产的绿篱修剪机、割灌打草机、打枝伐木油锯、树枝粉碎机、挖坑机、小型挖掘机；根梳草机、手扶式果岭压辊机、草坪清扫车、播种施肥机、果岭压草磙、果岭清扫机、剪置刀盘托拉机、耙沙机、打孔机；◎意大利意玛克公司生产的&欧玛牌&绿篱修剪机、割灌打草机、打枝伐木油锯、大规格挖坑机、汽油/电动草坪剪草机；◎瑞典&山特维克&园艺工具。

By the mechanics analysis of pumping rod, the calculation model of the mechanics analysis of pumping rod and neutrality point of oil tube have been established. The function of pumping rod bend space length and account method have been derived and analysis example have been completed. The simulation of wellbore trajectory and the deformation curve of sucker rod and oil tube is also given.

论文对机械磨损和腐蚀对偏磨的影响进行了分析，通过对抽油杆和油管的力学分析，建立了下冲程抽油杆、管柱下部受力分析与中性点计算模型；给出了抽油杆变形的影响因素，建立了油井井身轨迹、抽油杆和油管在油井中的变形曲线模拟软件。

Company's main products are: pressure vessel, with a long-stroke pumping unit, oil production wellhead equipment, swimming pulley, packer, tubing anchor, farm trailers, operating Derrick, Derrick Crane , Able to drive me assembly, and other oilfield machinery parts, in May 2001 through the ISO9002 quality system certification.

公司生产的主要产品有：压力容器、带式长冲程抽油机、采油井口装置、游动滑车、封隔器、油管锚、农用挂车、作业井架、井架天车、绞传动箱总成、及其它油田机械配件，于2001年5月通过ISO9002质量体系认证。

When a metal stamping die is installed in a press machine, every stroke of the machine can produce a stamping.

它是金属板材的一种高效表现形式。金属冲压模具装在压力机上，压力机的每一个冲程都能形成一个冲压件。

The pump is powered by a Cummins 4BT, turbocharged, 4 cycle diesel engine with a noise rating of less than 100 decibels at ten feet from the unit.

雾泵由可米斯4BT型燃气轮机增压式四冲程循环柴油发动机驱动，在距离该装置10英尺位置，噪声额定值小于100分贝。

If the pump has two or more boosters, whether they have stroke at the same time.

如果泵有2个或更多增压器，它们是否在同一时间冲程？

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。