topping lift wire ; topping wire
... topcoat表面覆盖 topping lift吊杆顶索 topping lift purchase顶索绞辘 ...
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... 俯仰绞机(吊杆) topping winch 吊杆顶索 topping wire 中桅帆 topsail ...
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吊杆顶索滑车 topping lift block
起重吊杆顶索 topping lift leadline
吊杆顶索绞车 topping lift winch
双吊杆顶间牵索 span guy ; spanorschooner,orboomheadguy
双吊杆顶间控索 boom head guy
吊货杆顶牵索滑车 cargo derrick topping tackle
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