In a general cargo crane, three principal movements are （）；（）；（）.<br>A:hoisting；luffing；slewing<br>B:lifting；raising；lowering<br>C:rotating；raising；handling<br>D:hosting；lowering；moving

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

出自：海船船员证

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