Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/54765e16e0b110f82644fbf05cf6970a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 acetylene regulator例句_acetylene regulator英汉例句_acetylene regulator双解例句_食材铺反向词典
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。