单项选择题
A.Φ35mm B.Φ40mm C.Φ28mm D.Φ16mm
A.l5.5mm B.l9mm C.28一35mm D.38.lmm
A.l0mm B.l4mm C.l6mm D.l9mm
A.尖嘴钳 B.钢丝钳 C.鲤鱼钳 D.弹簧钳
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