单项选择题
A. center tap B. center point guy C. center guy D. center line block
The （）(笨重货) must be handled by jumbo boom or shore cran...
单项选择题The （）(笨重货) must be handled by jumbo boom or shore crane.
A. awkward cargo B. drummed cargo C. cased cargo D. heavy cargo
Renew the （）(稳索), please.A. gooseneckB. guyC. center gu...
单项选择题Renew the （）(稳索), please.
A. gooseneck B. guy C. center guy D. stay
The（）(贵重货) must be kept carefully.A.VCB.PCC.A+BD.NC
单项选择题The（）(贵重货) must be kept carefully.
A.VC B.PC C.A+B D.NC
