单词	凹口锐度
释义	凹口锐度notch sharpness
随便看	production record production relationship production report production reporting and status control production research production/respiration ratio production/respiration ratio; p/r ratio production/respiration ratio{=p/r ratio} production riser production road production routine production routing production rule production rule system production run productions production sand production schedule production scheduling production server production shut-down production smoothing production smoothing problem productions of the soil productions or products