問題詳情
25. One kind of tools which are in common use for daily maintenance works on the ship is theone-piece with a U-shaped opening that grips two opposite faces of a bolt or nut. This tool is oftendouble-ended with different-sized opening at each end. Each end of the tool is often oriented at anangle of around 15 degrees to the longitudinal axis of the handle. Which tool is above description?
(A) Adjustable spanner
(B) Ring spanner
(C) Open-end spanner
(D) Hammer
參考答案
答案：C
難度：適中0.5
書單：沒有書單，新增