问题描述：
英语翻译
打问号的是看不清楚的.
12 Holes equispaced to be Pilot Drilled Φ80 together with the Stub Shaft (To be finally reamed to Φ82,55 (3 1 /4") on site assy.)
Notes:
1.Surface finish (中间是数字）all over ＆（数字）w?ere shown
No tool marks permitted on Shaft ＆Stub Shaft.
2.All Radii to be (数字) ＆Free From Tool Marks or undercuts.
3.Break all sharp corners.
4.Quality Status - Critical.
5.Q.C.P.Allocated.
6.Shaft details taken from FH＆B Drawing for N'Kana
Rock Hoist (S.O.B.Shaft )Ref.No.8-58-90
打问号的是看不清楚的.
12 Holes equispaced to be Pilot Drilled Φ80 together with the Stub Shaft (To be finally reamed to Φ82,55 (3 1 /4") on site assy.)
Notes:
1.Surface finish (中间是数字）all over ＆（数字）w?ere shown
No tool marks permitted on Shaft ＆Stub Shaft.
2.All Radii to be (数字) ＆Free From Tool Marks or undercuts.
3.Break all sharp corners.
4.Quality Status - Critical.
5.Q.C.P.Allocated.
6.Shaft details taken from FH＆B Drawing for N'Kana
Rock Hoist (S.O.B.Shaft )Ref.No.8-58-90
问题解答：
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