Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/aa532b9cb6ce5577ec9ad50e3864254d.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 master electrician是什么意思，master electrician的翻译，master electrician音标、读音、用法和例句_果味酸柯林斯词典
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. 要掌握排除一般電氣故障的方法，竝能使用滅火器撲滅電氣火災。