Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/0204c0ac2726137457516ef28ae75609.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 Derrickman例句_Derrickman英汉例句_Derrickman双解例句_甲百汇小鸡词典
The Driller and the Derrickman must be able to communicate at all times when the Derrickman is working on the derrick board. 当井架工在二层台工作时，司钻和井架工一定要能时刻保持联系。