Basic and safety principles for man-machine interface marking and identifieation-ldentification of equipment terminals and of terminations of certain designated conductors including general rules for an alphanumeric system是什么意思_Basic and safety principles for man-machine interface marking and identifieation-ldentification of equipment terminals and of terminations of certain designated conductors including general rules for an alphanumeric system在线翻译_英语_读音_用法_例句