areal velocitysector velocityvelocity area面积: area速度: velocity; speed; blast; bat面积速度测流法: area velocity method沉积速度: deposit rate; deposition rate; deposition velocity; depositionrate; depotition rate; rate of deposition; sedimentation velocity; speed of deposition干沉积速度: dry deposition velocity下载手机词典可随时随地查词查翻译