英语词汇backward drainage怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	backward drainage
释义	backward drainage 简明释义逆向水系网络释义 1 ?逆向水系 ... backward dislocation ==> 后脱位 backward drainage ==> 逆向水系 backward echo ==> 反向重复 ... 双语例句 1 Flap valve is mainly installed in the end of drainage pipeline to prevent extra water flow backward. 拍门主要安装在排水管道的尾端，用于防止外水倒灌。
随便看	Vergt Vergèze Vergüten verhaegen verhaeren verhage Verhagen Verheyen Verheyen's stars verheyen stars verhoeff Verhoeff chart Verhoeff circle Verhoeff depth perception test Verhoeff depth perceptrion Verhoeff membrane Verhoeff operation Verhoeff rings verhoeff's operation Verhoeff's stain Verhoeff stain Verhoeff test verhoeff theory Verhoeff van Gieson stain verhoeff-van gieson stain

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