iec矩形国标符号iec6061712,对异或门的任何2个信号输入或输出同时取
特征型符号(ansi/ieee std 91-1984),iec矩形国标符号(iec 60617-12)
表1-43为国际电工委员会(iec)制定的电气制图图符标准iec60617与我国
1440_1920竖版 竖屏
p1260617 - gnx654 - 图虫摄影网
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