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1·The main hoist winch and a system of elevators lift 1,250 tons of pipes and machinery through the 72 inches wide hole at the bottom of the boat.

主起吊绞车和升降机系统可通过船底72英尺宽的洞，提升1，250吨重的管道和机械。

2·Valve parts is the main hoist valve and the valve seat.

闸阀的主要启闭零件是阀瓣和阀座。

3·Drilling rig equipped with a main hoist, one vice hoist, main hoist for lifting drilling, downhole tubes.

钻机配有一个主卷扬机、一个副卷扬机。主卷扬机用于升降钻具、下井管等。

4·Derrick: the main hoist winch and a system of elevators lifts 1,250 tons of pipes and machinery through the 72.

钻塔：主起吊绞车和升降机系统可通过船底72英尺宽的开口，提升1,250吨重的管道和机械。

5·The main beam is the main hoist gantry crane force components, main beam directly affects the service life of machine.

主梁是葫芦门式起重机的主要受力部件，主梁的质量直接影响到整机的使用寿命。

6·The rationality and reliability of main hoist reducer adopted with double spiders structure for large bridge crane are introduced.

介绍了设计大吨位双钩桥式起重机主起升减速器采用双行星轮结构的合理性和可靠性。

7·All cranes will be equipped with a functional weight indicator on the main hoist and a boom Angle indicator, both visible by the operator.

所有的起重机都应当有主钩的起重能力指示器和扒杆角度指示器，并且起重机司机要看得见。

8·Safety brakes have been used at low speed shaft of ladle cranes, especially of those with planet gear boxes. Safety brakes protect the main hoist effectively.

铸造起重机(特别是采用行星减速机者)在卷筒端低速轴上安装安全制动器，对起升机构起到有效的安全保护作用。

9·The paper introduces a speedy effective way how to solve winch location jump by modifying SD drive control and PLC program after main hoist of panyi coal mine hoists appears depth indication fault.

提升机是矿井主要机电设备之一，确保其安全正常运转，提高工作效率，降低故障影响时间至关重要，文章介绍了潘一主井提升机出现深度指示故障后通过修改SD传动控制及PLC程序解决绞车位置跳变故障的一种快速有效的方法。

10·The hoist would carry the art work crates down to the main gallery space, showcasing the back of house logistics and foregrounding them into the entry level.

起重机将艺术作品的板条箱降落到主要的画廊空间，展示出房子后面的流线，并把它们置于入口楼层最显眼的位置。