32.打錠時,若punches沒有清潔乾淨,易造成下列何種狀況?
(A)capping
(B)splitting
(C)laminating
(D)softness
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統計: A(1868), B(602), C(386), D(49), E(0) #3380743
統計: A(1868), B(602), C(386), D(49), E(0) #3380743