扩孔至比标准孔大0.20英寸。( )
A.Give the hole 0.20-inch over-ream. B.Spread the hole 0.2-inch larger than the standard. C.Ream the hole 0.20 inch larger than the standard.正确答案C
扩孔至比标准孔大0.20英寸。( )
A.Give the hole 0.20-inch over-ream. B.Spread the hole 0.2-inch larger than the standard. C.Ream the hole 0.20 inch larger than the standard.正确答案C