一油压缸，其设有一油压杆，用以控制推进或退回；
自动式油压缸控制贴合压力，可使上下两滚筒左右压力平衡受力。
Automatic control of hydraulic cylinder pressure fitting can drum up and down about the two forces balance stress.
论述了注射模具中薄型油压缸侧抽芯机构的特点以及可能发生的问题。
In this paper, the advantages and possible problems of the thin cylinder drawing core mechanism of injection moulds are discussed.
油压千斤顶：采用柱塞或液压缸作为刚性顶举件的千斤顶。
Hydraulic jack: Uses the plunger or the hydraulic cylinder goes against as the rigidity lifts a hoisting jack.
双动的动力缸将施加的油压转换成助动力，作用在齿 条上，加强了驾驶员施加的转向力。
The double-acting steering cylinder converts the applied oil pressure into an assisting force which acts on the rack and which intensifies the steering force exerted by the driver.
双动的动力缸将施加的油压转换成助动力，作用在齿 条上，加强了驾驶员施加的转向力。
The double-acting steering cylinder converts the applied oil pressure into an assisting force which acts on the rack and which intensifies the steering force exerted by the driver.
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