The sluicing chamber type water diversion hub is the "side water diversion, front sand sluicing" type that is well to prev.
冲沙槽式引水枢纽是一种常见的“侧面引水,正面排沙”引水枢纽型式,其引水防沙效果良好。
application of dry stone pitching revetment with pointing joint by sluicing sand in levee
浅谈干砌石冲砂勾缝护坡在堤防工程中的应用
Wheel-speed regulating change box Whether in the first case or in the second the center of the convolute bedding is commonly marked by a sand "ball" and sometimes there is one or a few sluicing holes in the center.
轮变速箱,砂轮变速箱无论是前者、还是后者,中心多为砂核,有时中心有一个或多个泄水孔。
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