Jack ran to do a side turn, jumped up and grabbed the monkey rod, and pulled himself across rapidly alternating his hands.
杰克跑着做了一个侧手翻，跳起来抓住猴杆，双手交替着将自己迅速拉到对岸。
The hoisting jack calls the mechanical hoisting jack, is by the manpower through the screw vice-transmission, the screw rod or the nut sleeve achievement goes against lifts.
液压千斤顶又称机械式千斤顶，是由人力通过螺旋副传动，螺杆或螺母套筒作为顶举件。
Each supporting rod on the jack can cease climb at preset elevation and the slip-form supported by the jack adjusts to be horizontal if the limit stop on each supporting rod is at the same elevation.
如果各支承杆上的限位挡体处于同一标高，则各支承杆上的千斤顶就能在所预定的标高上停止爬升，而由千斤顶支承的滑动模板也就调为水平。
Screw jack: Uses the screw rod or the fluctuation sleeve which impels by the screw rod goes against as the rigidity lifts a hoisting jack.
螺旋千斤顶：采用螺杆或由螺杆推动的升降套筒作为刚性顶举件的千斤顶。
Screw jack: Uses the screw rod or the fluctuation sleeve which impels by the screw rod goes against as the rigidity lifts a hoisting jack.
螺旋千斤顶：采用螺杆或由螺杆推动的升降套筒作为刚性顶举件的千斤顶。
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