differentials差价differentialadj.差别的；特定的；微分的n.差别；工资差额；差动齿轮；[数]微分differential sheave差动滑轮Differential uplift差异隆起differential albedo微分反照率Differential stress差应力differential winder差动复卷机differential scales(带有)差动(控制系统的)天平differential fusion分异熔融differential motion差速运动differential engine差动式发动机differential growth差别成长差别成长