基本解释[機械工程]標準瓦時計英汉例句雙語例句With 3-wire and 4-wire real reactive reference standard, it is capable of calibration for various artificial reactive or real reactive watt-hour meter.具有三線、四線真無功標準，能滿足各類人爲無功或真無功電能表的檢定。standard watt-hour meter更多例句词组短语短語Three -phase Standard Watt-Hour Meter 三相標準功率電能表standard watt-hour meter更多词组专业释义機械工程標準瓦時計