lower lock head的意思|示意
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lower lock head的网络常见释义
下游闸门顶盖 ... 下有另顶的搂板：raised flooring 下游闸门顶盖：lower lock head 下游水库：lower reservoir ...
lower lock head相关例句
In the navigation buildings of high water head, the cost of ship lift is generally lower than ship lock.
在高水头的通航建筑物中，升船机的造价通常低于船闸。