基本解釋[經(jīng)濟(jì)學(xué)]三相電纜[機(jī)械工程]三相電纜英漢例句雙語例句However, when applied to long-distance and big-diameter pipes, using of three-phase heating cable is more economic and reasonable and showing more advantage.但是,當(dāng)在長距離、大口徑管道進(jìn)行伴熱保溫時,采用三相帶比單相帶更經(jīng)濟(jì)、更合理、更能顯示使用三相帶的優(yōu)越型。FDP3 three-phase constant watt heating cable provides frozen-prevention and temperature-maintenance of pipelines and valves which is same for FDP2 single-phase constant watt heating cable.FDP3 型三相恒功率電熱帶與FDP2型單相恒功率電熱帶一樣,能用于解決管道和閥門等的防凍和保溫。Instead of the time consuming numerical computation, a simplified calculation of the maximum field strength is presented for the purpose of dimensioning the three-phase gas insulated cable.為確定三相充氣管道電纜的尺寸,本文提出利用最大場強(qiáng)的簡化計算方法來取代繁復(fù)的數(shù)值計算。three-phase cable更多例句詞組短語短語three -phase four core cable 三相四心電纜;三相四芯電纜three-phase cable更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)三相電纜機(jī)械工程三相電纜