canal system
短語詞組
- canal river system 運河水系
- canal transport system 漕運制度
- canal distribution system 渠道分佈系統(tǒng)
- North Canal River System 北運河水系
- canal -system water use efficiency 渠系水利用系數
- open canal system 根部開放
- structures for canal system 渠系建築物
- canal safe transit system 運河安全通航系統(tǒng)
- canal system density 渠系密度 返回 canal system