1·On the choice of power, the vehicle mounted wheelchair can use hydraulic drive, pneumatic drive, electric push rod and electric motor.
车载式轮椅自动升降机在动力的选择方面，可以采用液压传动、气压传动、电动推杆和电机等方式。
2·Our company mainly product oil pump, valve guide, valve Tappet, push rod and so on.
我们公司主要生产机油泵、气门导管、气门挺杆、推杆等。
3·Test results show that the method is effective to diagnose the imbalance of the push rod stroke fault for air brakes.
试验结果表明，该模型能很好地对气制动系统推杆行程失调进行故障诊断。
4·The hydraulic damper is a device which is composed of an energy storage mechanism, a damping mechanism and a push rod mechanism.
它是由一个蓄能机构、阻尼机构、推杆机构组成的装置。
5·As the camshaft turns, the CAM lobe comes around under the valve lifter. This raises the lifter, which in turn pushes upward on the push rod.
当凸轮轴转动时，凸轮凸角转到气门挺杆下面，使挺杆上举，挺杆推动推杆。