front_hub_type_有道手机词典

1.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。
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