单项选择题
The（）(精致货) must be handled with care.
A. bagged cargo B. delicate cargo C. cased cargo D. non-packed cargo
单项选择题 The（）（吊杆）at hatch No.3 is in trouble.
单项选择题 To avoid shock ,you should reduce speed by（）（低速）control.
单项选择题 This is a（）（侧滚动）type hatch cover.
