管架是通过一个装在支架框和下摇动臂之间的液压缸往返于其贮存位置的。

The pipe racks are moved to and from their stored position by a hydraulic cylinder attached between the mast frame and the lower swing arm.

youdao

像总泵、车轮、转向液压缸、微动阀、连杆、门架滚轮、转向桥等部位，只要靠紧固进行调整就能修理的故障。

Failures which can be solved by minor adjustment on brake pump, wheel, steering hydraulic cylinder, and micro-valve, connect level, mast roller, steering axle, etc. are excluded.

youdao

其特征在于本轧机包括换辊液 压缸（1）、换辊小车（2）、轧钢机辊组（3）、立柱（4）、蜗轮升降机构（5）、U型 架（7）、转动转耳（8）、连接螺栓（9）；

The mill comprises roll changing hydrocylinder (1), with rolling mill group (3), roll changer (2), post (4), worm wheel lifting gear (5), U-shaped frame (7), rotation ear (8) and bolt (9).

youdao