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1 ?起重活塞 ... 拆卸起重机 breakdown crane 起重机,电梯,传输机,吊车 cranes, elevators, conveyors and lifting gear 起重活塞 hoisting piston; lifting piston ...
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The positioning apparatus also includes a lifting device for raising and lowering the outer cylinder. The lifting device includes a threaded drive mechanism coupled to the piston. 所述定位装置还包括用于升高和降低所述外气缸的提升装置，所述提升装置包括与所述活塞相连的带螺纹驱动机构。 - 2
The whole equipment system consists of the guiding device, bearing device, signal device, piston cylinder device, beam body, hydraulic system and rotating lifting eye etc. 整个设备系统由导向装置、支承装置、信号装置、柱塞缸装置、梁体、液压系统装置和中间旋转吊耳装置等部件组成。
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