阿摩線上測驗
19. Which kind of spanner is the one-piece wrench with an enclosed opening that grips all the
faces of a bolt or nut?
(A) Open-end spanner
(B) Screw spanner
(C) Ring spanner
(D) Adjustable spanner
答案：登入後查看
統計： A(20), B(13), C(40), D(18), E(0) #3154170
統計： A(20), B(13), C(40), D(18), E(0) #3154170
