positec 發(fā)表于 2019-1-16 12:13
算錯(cuò)了,T15.0000-14.9962,Z14.9840-14.9820
che-zp 發(fā)表于 2019-1-16 11:36
通規(guī)(T):上偏差=es-Z+T/2,下偏差=es-Z-T/2。止規(guī)(Z):上偏差=ei+T, 下偏差=ei 。
確認(rèn)是環(huán)規(guī) ...
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