Warning: file_put_contents(/home/www/wwwroot/ndsq.cn/cache/56b8ecd0a8d9399871fc06168ed53add.txt): failed to open stream: No space left on device in /home/www/wwwroot/ndsq.cn/index.php on line 55 conventional workover rig例句_conventional workover rig英汉例句_conventional workover rig双解例句_开心英文字典_柠咚词
In the light of the status of energy waste of conventional workover rigs, Model XXJ300/500 hydraulic energy-storing workover rig is developed. 针对现有常规修井机存在的能量浪费现象，研制成节能型XXJ300／500液压蓄能修井机。