Don't commit your promises to paper if you are not certain you keep them.如果你没有把握兑现你的许诺，你就不要做出书面保证。It makes me sick that people commit offences and never get punished.一些人屡屡犯罪却从未受到惩戒，这真让我气愤。I'll repeat that so yo...
此方法适用于加工不允许有正偏差的工件.This method used to machining permitting no positive deviation.依据是半径平方偏差的和.It's based on the sum of deviation of radius'square.行使 5- ( 径向偏差 ) 的地方,你的手手掌向下.Exercise 5 - ( Radial Deviation ) Pla...