Warning: file_put_contents(): Only 0 of 6343 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 acetylene regulator例句_acetylene regulator英汉例句_acetylene regulator双解例句_94生活常识网有道词典
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。