... to get the engine ready 备车 to geta derrick up 起吊杆 to getadrift 漂流 ...
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短语
升起吊杆
top the lifts
;
to the lifts
;
raise a boom
升起吊杆/降下吊杆
Top derrick/ lower derrick
起重机吊杆
crane jib
;
crane arm
;
crane boom
起货吊杆
derrick boom
吊杆起重机
boom crane
;
[机]
derrick crane
吊杆头起货滑车
derrick head cargo block
应急起重吊杆
wreck derrick
伸缩吊杆式起重机
telescopic crane
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