词汇	壁剪切速度
释义	壁剪切速度医friction velocity
随便看	laborsaving devices like washing machines labor-saving equipment labor-saving input labor-saving investment labor-saving machinery industry labor-saving principle Labor-saving Principle labor-saving ratio labor-saving rearing labor-saving technical progress labor-saving techniques labor-saving technological development labor-saving technology Laborsaving valve labor scale labor science Labor,Second Stage labor secretaries Labor secretary Labor Secretary labor security Labor security measure labor security supervision labor security supervision organs nationwide Labor-securuity