Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/fa8d48d8477604c26af9b9b0a258a412.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 master electrician例句_master electrician英汉例句_master electrician双解例句_94生活常识网有道词典
The electrician should master the method of removing common electric failure and be able to use fire extinguishers to put out the electric fire disaster. 要掌握排除一般电气故障的方法，并能使用灭火器扑灭电气火灾。