题目内容
(请给出正确答案)
[主观题]
In a general cargo crane, three principal movements are _____; _____; _____.A.hoisting/luf
In a general cargo crane, three principal movements are _____; _____; _____.
A.hoisting/luffing/slewing
B.lifting/raising/lowering
C.rotating/raising/handling
D.hosting/lowering/moving
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