問題詳情

8. ______ is a piece of metal, rubber or plastic which fits tightly into a hole and is often foundonboard lifeboats to prevent the sea water from permeating through the hole and empty the watercumulated on the bottom of the boat.
(A) Slip gear
(B) Derrick
(C) Boat hook
(D) Drain plug

參考答案

答案:D
難度:適中0.45
書單:沒有書單,新增

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