工厂广播系统,门禁系统和其他零星电气设备的维护保养。
Plant public address, Access door controller, and other miscellaneous electrical equipment maintenance.
“你不必成为火箭科学家。”美国人经常听到这句话。人们会在学校、办公室和工厂说这个词语,无线广播和有限电视广播也使用这个词语。
"You do not need to be a rocket scientist." Americans hear these words often. People say them in schools, offices and factories. Broadcasters on radio and television use them.
“你不必成为火箭科学家。”美国人经常听到这句话。人们会在学校、办公室和工厂说这个词语,无线广播和有限电视广播也使用这个词语。
"You do not need to be a rocket scientist." Americans hear these words often. People say them in schools, offices and factories. Broadcasters on radio and television use them.
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