Which of the following is suitable for bagged cargo?（）.<br>A:hydraulically operated pusher<br>B:spread beam sling<br>C:revolving roll clamping device<br>D:platform sling

Which of the following is suitable for bagged cargo?（）.
A:hydraulically operated pusher
B:spread beam sling
C:revolving roll clamping device
D:platform sling

出自：海船船员证

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