... 校准板 calibration plate 双作用缸 double acting cylinder 发光二级管塞 light emitting diode plug ...
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... 活塞密封piston seal 双作用缸double-acting cylinder 工作循环working cycle ...
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双作用油缸 [车辆] double-acting cylinder ; double-acting oil cylinder
卧式单缸双作用 Horizontal single urn twin-action
双作用式油缸 Double-acting oil cylinder
双作用气缸 festo ; Double role cylinder
双作用气缸动作原理 Double-acting cylinders
双作用转向缸 double acting steering cylinder
双作用铝制液压缸 RAR
双作用液压油缸 action hydraulic cylinder
双缸双作用泵 duplex double action pump
立柱采用双伸缩作用液压缸，以增加工作行程来满足支架调高范围的需要。
The column USES the double expansion and contraction function hydraulic cylinder, increases the power stroke to satisfy the support to adjust the high scope the need.
此外，用柱塞缸取代双作用液压油缸，使这种液压抽油机具有加工简单、成本低、维护和使用方便等优点。
In addition, this kind of hydraulic pumping unit will be simple and convenient to machine, operate and maintain, because the double-acting hydraulic cylinder will be replaced by a plunger cylinder.
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