4.下列何種裝置不能確閉鎖緊?
(A)彈簧線鎖緊(Spring Wire Locking)
(B)螺帽停止
板(Stop-plates For Nut)
(C)開口銷(Cotter Pin)
(D)彈簧墊圈(Spring Washer)
答案:登入後查看
統計: A(27), B(27), C(50), D(216), E(0) #662968
統計: A(27), B(27), C(50), D(216), E(0) #662968