单项选择题
（）(夹子)have been used up.
A.Clamps B.Bars C.Pads D.Plates
单项选择题 We are loading （）(危险货)now.
单项选择题 The （）(鹅颈头)is bent.
单项选择题 The （）(吊货索套) at hatch No.1 is quite worn out.
