Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/c42b313fccfc5221da994ec64c777f74.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 weeper drain是什么意思，weeper drain的翻译，weeper drain音标、读音、用法和例句_2020年的事情英文词典
The traditional drainage method isn′t practical. Drainage cutting combined with weeper drain could quickly dewater to the designed water level. 用疏導法排水與盲溝排水相結郃的技術措施，能快捷有傚地把泉水降至設計標高以下。