A.DialIndicator B.OutsideMicrometer C.VernierCalipers D.ThicknessGauges
A.Flare-NutWrench B.AdjustableWrench C.CombinationWrench D.AllenWrench
A.開(kāi)口扳手 B.梅花扳手 C.套筒扳手 D.活動(dòng)扳手