Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/911e5ae2b3da44eb83e6ab3c8a5bbedb.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 acetylene regulator例句_acetylene regulator英汉例句_acetylene regulator双解例句_2020年的事情英文词典
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. 對一台SZZ-3150/40型有載調壓裝置進行色譜分析及空載試騐,找出該裝置乙炔含量超標的原因。