单词	crane at
释义	crane at v.踌躇
随便看	critical viewing distance critical viscosity critical viscous damping critical viscous damping coefficient critical viscous sublayer critical vlaue critical void ratio critical voltage critical voltage difference critical volume critical volume fraction critical volume level critical volume theory critical volumn critical vulnerability critical wall thickness critical water content Critical water content of frost heaving critical water depth critical waterfall critical water head pressure gradient critical water-level critical water point critical water saturation critical water saturation deficiency