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Derrick Post

吊杆柱；人字起重机柱

1、吊杆柱

... closed container mechanically ventilated 封闭式机械通风集装箱 derrick post (船)超重机柱；吊杆柱 derrick crane 旋臂起重机 ...

2、人字起重机柱

...floating derrick浮吊,起重船...derrick post人字起重机柱...derrick boom吊杆 ...

derrick k post吊杆柱

derrick foundation post井架底座立柱

derrick post ventilator吊杆柱通风筒

aft derrick post后吊杆柱

V-type derrick postV型起重柱

能源科学技术

经济学

机械工程

交通运输工程

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