問題詳情

19. Which kind of spanner is the one-piece wrench with an enclosed opening that grips all thefaces of a bolt or nut?
(A) Open-end spanner
(B) Screw spanner
(C) Ring spanner
(D) Adjustable spanner

參考答案

答案：C
難度：困難0.25
書單：沒有書單，新增