An instrument for measuring electric resistance, the ohmmeter is widely used in electrical engineering.
欧姆表是测量电阻的一种仪表，它被广泛地应用在电气工程中。
Code for construction and acceptance of electric device of. crane electrical equipment installation engineering.
电气装置安装工程施工及验收规范。
Project charting simulation electronic circuit digital circuit electric circuit theory electrical engineering electrical…
工程制图模拟电子电路数字电路电路理论电工学电气工程基…
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