查询词典 reciprocating motion

The opening of the valve body in a leading role in the orientation of any reciprocating parts in the active pieces into fixed at the minimum radial clearance of not less than 0.7mm valves should be in a spy state the activities of parts and fixed parts Minimum radial clearance ofA42C Type Pound-Grade Low Lift Spring Loaded Safety Valve not less than 0.125mm.

阀体中对阀的开启起主导作用的任何往复运动的导向零件，在活动件进人固定处的最小径向间隙不应小于0.7mm阀处于伺应状态时，活动件与固定件的最小径向间隙不应小于0.125mm。

Second, oil does not come into contact with the compressed gas external drive mechanism, such as in reciprocating compressor crankcase parts, crank pin, crank bearings, connecting rod slide, slide, crosshead; and speed rotary compressor bearings , gear and other growth.

其二为油不与压缩气体接触的外部传动机构，如往复式压缩机曲轴箱中零件、曲柄销、曲柄轴承、连杆滑块、滑道、十字头；回转式和速度式压缩机的轴承、增速齿轮等。

Particularly the gap between the hydraulic pump, hydraulic motor and gearbox oil seals and hydraulic rotary cylinder reciprocating dynamic seal product quality most.

差距尤以液压泵、液压马达和变速箱用旋转油封及液压缸往复动密封的产品质量最甚。

In the part of mechanical design, The output shaft of stepping motor connects ball screw with coupling joint, and enables worktable auto-reciprocating under the support of linear rack.

关于机械设计部分，电机输出轴经过联轴器连接滚珠丝杠带动工作台运动，工作台在直线导轨的支撑下做直线往复运动。

Good hands on skills on compressors/pumps/blowers/valves repairing, have at least one kind of compressor (centrifugal compressor/reciprocating compressor/ screw compressor/roots blower etc.,)principle knowledge and repairing experience

在压缩机、泵、鼓风机修理方面具有熟练的技能。熟知至少一种压缩机的原理（离心式压缩机、活塞式压缩机、螺杆式压缩机、罗茨风机）和设备维修经验。

It features same tried and proven gas operated, rotary bolt action and same "Kalashnikov-style" controls including reciprocating bolt handle, safety/fire selector lever and overall layout with side-folding polymer buttstock.

它具有相同的审判，探明天然气经营，旋转螺栓行动和相同的&卡拉什尼科夫式&的控制，包括往复式螺栓处理，安全/消防换档杆和整体布局侧折叠聚合物枪托。

The formation of surface films in reciprocating cylinder bore/piston ring pairs lubricated by fully formulated engine oils was studied using the electrical contact resistance method.

为了研究摩擦副中表面膜的形成条件、化学成分和状态等，用接触电阻考察了全配方机油润滑条件下往复运动的缸套/活塞环摩擦副中表面膜的形成过程，并采用Auger电子能谱仪、X射线光电子能谱仪、X射线衍射仪系统研究了表面膜的成分、厚度、化学价态等特性。

9GB-1.4/1.6/1.8/1.9/2.1 Rear-fixed mounted reciprocating-type Mower matched with four-wheel tractor range from 12~22 HP. The machine uses biased crank connected bar structure to drive blades to work. It is suitable to be used to reap natural forage grass and plant herbage, alfalfa, reed, grass feed etc.

9GB-1.8型后置悬挂往复式割草机配套12-22马力四轮拖拉机使用，该机利用偏置式曲柄连杆机构，驱动割刀进行作业，适用于农、林、牧区平坦草场和坡地、丘陵地等不同条件草场，用于收割天然牧草和种植牧草、紫花苜蓿、芦苇、青储饲料等。

9GL-1.4/1.6/1.8/1.9/2.1 Rear-fixed mounted reciprocating-type Mower matched with four-wheel tractor range from 12~22 HP. The machine uses biased crank connected bar structure to drive blades to work. It is suitable to be used to reap natural forage grass and plant herbage, alfalfa, reed, grass feed etc.

9GL-1.8型后置悬挂往复式割草机配套12-22马力四轮拖拉机使用，该机利用偏置式曲柄连杆机构，驱动割刀进行作业，适用于农、林、牧区平坦草场和坡地、丘陵地等不同条件草场，用于收割天然牧草和种植牧草、紫花苜蓿、芦苇、青储饲料等。

9GL-1.4/1.6/1.8/1.9/2.1 Rear-fixed mounted reciprocating-type Mower matched with four-wheel tractor range from 12~22 HP. The machine uses biased crank connected bar structure to drive blades to work. It is suitable to be used to reap natural forage grass and plant herbage, alfalfa, reed, grass feed etc.

禹城大地机械制造有限公司生产的9GL-1.8型后置悬挂往复式割草机配套12-22马力四轮拖拉机使用，该机利用偏置式曲柄连杆机构，驱动割刀进行作业，适用于农、林、牧区平坦草场和坡地、丘陵地等不同条件草场，用于收割天然牧草和种植牧草、紫花苜蓿、芦苇、青储饲料等。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！