You have to turn 240 degree. It is not 210 d.all is 67.13.I have a simple method.All is 67.12.N.10,3/4 circle and N.10. If only 64 the lost prob. is .058
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-CriticalQ-
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01/25/2005 postreply
15:32:41
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right
-旗鼓相当-
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01/25/2005 postreply
17:07:17
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回复:回复:回复:回复:回复:回复:You re right
-jinjing-
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01/25/2005 postreply
19:09:38