相关考题
-
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.
A.winch
B.crane
C.derrick
D.gantry -
单项选择题
To avoid shock ,you should reduce speed by（）（低速）control.
A. low speed
B. high speed
C. inching
D. slow speed
