問題詳情
38. 有關 shear bolt 的敘述，下列何者錯誤？
(A)tighten the shear bolts A until the hex heads B twist off
(B)tighten the hex heads B until the shear bolts A twist off
(C)loosen the shear bolts A until the hex heads B twist off
(D)loosen the hex heads B until the shear bolts A twist off。
參考答案
答案：B,C,D
難度：困難0.333333
統計：A(0),B(1),C(1),D(1),E(0)