A扩孔(铰孔)至直径达到8.00+/-0.003毫米。
B钻孔至半径达到8.00+/-0.003毫米。
C钻孔至直径达到8.00+/-0.003微米。
Ream the hole until it has a diameter of 8.00 +/-0.003 mm.
Drill a stop hole with a diameter between 1 and 3 mm in the sheet of steel affected by the crack to
Ream the hole 0.20 inch larger than tie standard.
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