■特點(diǎn)：
☆A(yù)型：卡盤(pán)配帶梳齒型硬卡爪。
☆B型：卡盤(pán)配帶十字鍵型軟卡爪。
☆C型：卡盤(pán)配帶梳齒型軟卡爪。
☆A(yù)—C型：卡盤(pán)配帶梳齒型硬卡爪和軟卡爪各一副。
■Specificity:
☆Form A：Matched with hard top jaws with serrations.
☆Form B：Matched with soft jaws with cross tenon.
☆Form C：Matched with soft top jaws with serrations.
☆Form A—C：Matched with each set of hard top jaws and soft top jaws , with serrations.