常见例句双语例句The cause of over standard acetylene content in a SZZ-3150/40 on-load voltage regulator is found out by chromatogram analysis and no-load test.对一台SZZ-3150/40型有载调压装置进行色谱分析及空载试验，找出该装置乙炔含量超标的原因。 返回 acetylene regulator