In combination with the Yingbulu engineering,the author studied deeply the influence of drainage plan drainage well pit impervious curtain,drainage ditch drainage well on seepage field.是什么意思_In combination with the Yingbulu engineering,the author studied deeply the influence of drainage plan drainage well pit impervious curtain,drainage ditch drainage well on seepage field.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句