Warning: file_put_contents(): Only 0 of 7882 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 subsurface leakage是什么意思,subsurface leakage的翻译,subsurface leakage音标、读音、用法和例句_开心英文字典_柠咚词
The selection of the clearance of a subsurface pump and the analysis of the leakage between plunger and barrel are of great importance by artificial lifting. 抽油泵泵隙的选择和漏失量分析是机械采油中的重要问题。