单项选择题
A.saw B.saw dust C.see D.see dust
垃圾筒（）A. garbageB. garbage bagC. glass binD. garbage bin
单项选择题垃圾筒（）
A. garbage B. garbage bag C. glass bin D. garbage bin
铁锹（）A.spadeB.sawC.spannerD.side
单项选择题铁锹（）
A.spade B.saw C.spanner D.side
饮用水注入管（）A. fresh water filling pipeB. bilge water filli...
单项选择题饮用水注入管（）
A. fresh water filling pipe B. bilge water filling pipe C. drinking water filling pipe D. sea water filling pipe
