1)ration of weight,重量比2)weight ratio,重量比<冶>3)solvent and solute weight ratio,液固重量比4)strength-weight ratio,强度-重量比5)Power-weight ratio,功率重量比6)weight specific energy,重量比能量
用法和例句
The experiment results show that weight specific energy of the light lead-acid batteries prepared is able to reach 45Wh/kg, and the use of hole-pressed grid eroded by electrochemical method is the important creative point.