A rod moved by a cam to operate the valves in an internal-combustion engine.
阀门挺杆通过凸轮转动的杆，用来操纵内燃机的阀门
Fill the tester cup with hydraulic valve tappet test oil until the tappet is completely submerge
为测试杯注入阀门挺杆测试油，直到挺杆完全浸入水中。
valve-tappet clearance adjuster
气门挺杆间隙调节器
tappet oil gallery
(气门) 挺杆润滑油道
Install the hydraulic valve tappets.
安装液压气门挺杆。
The lower stem is encased in a spring which forces the stem away from the seat when the valve is opened.
下阀杆包裹在一个弹簧内部，当阀门开启时，弹簧迫使阀杆离开阀座。
VALVES MUST NEVER BE LIFTED BY HANDWHEELS OR STEMS.
绝对不能用手抡或阀杆来提起阀门。
The stem rises and lowers as the valve is opened and closed.
当阀门开启或关闭时，阀杆上升或下降。
The disc is stem guided on all sizes.
所有通径阀门的这种阀瓣是通过阀杆引导的。
"Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces."
黄铜的主要用途是球阀阀杆和球体,和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
Valve Lash Adjuster
气门间隙调节器又称液压挺杆
The valve lifter, a round cylinder, rides on the cam.
气门挺杆为一圆筒体，坐落在凸轮上。
Nickel plated overlay in stem hole for carbon steel valves to combat severe alkylation conditions.
碳钢阀门采用阀杆孔内镀镍层的阀杆，适用于严酷的烃化应用环境。
The stem position provides indication that valve is opened or closed.
阀杆的高低能够指示阀门处于开启或关闭状态。
Lift pressure plate (7) to withdraw diaphragm and stem from valve.
提升压力板(7)，从阀门内退出隔膜和阀杆。
The connecting rod may drive a valve stem directly.
连杆可以直接带动阀门的把柄。
"Most common uses in valves are: stem, body and ball materials."
这种材料在阀门上主要用做:阀杆,阀体和球体材料。
"After the cam lobe moves out from under the valve lifter, the valve spring forces the valve up onto its seat again."
当凸轮凸角离开气门挺杆,气门弹簧使气门重新回到气门座上。
