【物理】电变量的【物理】电变量测量

electric-pneumatic heat absorption-dispersal refrigerator

pneumatic electric converter【自】;pneumo-electrical convertor【自】

mechanical screwdriver, air wrench, electric or hydraulic screwdriver,

electric tension

energy, electric, hydraulic, pneumatic

electric eddy current dynamometer

electric radiant tube【电】

electric dissociation