automatic rod lifter 油杆自动提升器
drill-rod lifter 扶钎器
lifter rod 升降杆
ROD CLUTCH LIFTER 离合器推杆
ROD CLAMP LIFTER 支撑棒夹具提升器
chain lifter rod 链提升器拉杆
Air pumpof lifter rod 升降杆气泵
Air pump of lifter rod 升降杆气泵
In this paper, a polar coordinate drill-rod lifter was developed to strictly control drill rod in order to precisely locate the rod.
作者研制了极坐标扶钎器可以严格的控制钎杆，从而保证孔位准确。
The long box assembly comprises a long box body, channel steel, a lifter, a cam mechanism, a pull and push plate, a supporting rod, etc.
长箱总成包括长箱体、槽钢、升降机、凸轮机构、推拉板及支棒等。
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。
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