Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/985e65ca7aa1a0beb5bac53d9bb1fdb0.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 weeper drain例句_weeper drain英汉例句_weeper drain双解例句_欧米惠必应词典
The traditional drainage method isn′t practical. Drainage cutting combined with weeper drain could quickly dewater to the designed water level. 用疏导法排水与盲沟排水相结合的技术措施，能快捷有效地把泉水降至设计标高以下。