(A)20mm,30mm,50mm三種; (B)30mm,50mm,80mm三種; (C)50mm,lOOmm,200mm三種; (D)30mm,50mm,80mm,150mm四種
(A)內(nèi)卡鉗; (B)外卡鉗; (C)直卡鉗; (D)硬卡鉗
(A)內(nèi); (B)外; (C)直; (D)硬