短語詞組短語transitional flow -rate 分界流量Flow or Rate 流量permanent flow -rate 常設(shè)流量meter flow -rate 儀表流量flow exchange rate [統(tǒng)計(jì)]流量交換率flow leakage rate 漏孔漏率flow pressure rate 壓降率discharge flow flow rate 流量mass flowrate 質(zhì)量流率 返回 flow rate