... main feedwater pump 主给抽水机 main hoist 主起升机构 main steam and turbine bypass syst 主蒸汽及旁路蒸汽体系 ...
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Main Hoist Rope 主钩绳
The main hoist capacity 主卷扬提升能力
crane main hoist 行车主钩
main hoist system 主提升系统
main hoist mechanism 主起升机构
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。
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。
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。
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