1)turbulent boundary layer,乱流界限层2)limits of divisions of strata,分层界限3)formation border,地层界限4)limit of bottomhole flowing pressure,流压界限5)boundary flow,界限流量6)limit rate of flow,界限流速
用法例句
Standing from the point of mathematics and th rough determining the parameters(dis-count rate)for boundary flow formula of the water supply pipeline net,authors deduces a new for-mula which is connect ed with the level of social and economic development.