基本解释泄水道 冲砂孔英汉例句双语例句Satisfactory solutions of the scour of rocky riverbeds downstream from outlet structures have not been found as yet.泄洪建筑物下游岩石河床的冲刷问题，至今尚未得到满意的解决，关键是河床基岩模拟方法的准确、可靠性。scour outlet更多例句词组短语短语scour outlet channel 冲淤渠道;冲砂泄水道Outlet scour 冲砂口scour outlet更多词组