问题
单项选择题
Which of the following is more suitable for bagged cargo?（）.
A.Hydraulically operated pusher
B.Spread beam sling
C.Revolving roll clamping device
D.Platform sling
答案
参考答案：D
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Which of the following is more suitable for bagged cargo?（）.
A.Hydraulically operated pusher
B.Spread beam sling
C.Revolving roll clamping device
D.Platform sling
参考答案：D
）