Differential Set差速器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 leakage reactance差漏抗differential-algebraic model微分代数模型differential velocity property差速特性differential frequency circuit差频电路differential pressure founding砂型差压铸造differential compensating gear差速机补正齿轮differential air pressure type差动气压机differential piston compressor差动活塞压缩机,级差式压缩机differential speetrophotometry差示分光光度法differential mode interference差模干扰