单项选择题
Cargo securing for Ro-Ro is based on the concept of（）.
A.solid packing
B.rapid loading and discharge
C.vessel loaded full and down to her marks
D.palletized cargo
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相关考题
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单项选择题
Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every（）.
A.year
B.two years
C.four years
D.five years -
单项选择题
By regulation，cargo tanks must be inert before and during what operation?（）.
A.Stripping
B.Loading
C.Cleaning
D.Crude oil washing -
单项选择题
By regulation，cargo tank atmosphere must be inert before and during which operation?（）
A.Stripping
B.Loading
C.Cleaning
D.All of the above
