DRK 156 Surface Resistance Tester

Lus piav qhia luv luv:

Lub tsho khuam-pocket nto tiv thaiv tester tuaj yeem kuaj qhov impedance saum npoo thiab tseem tuaj yeem kuaj qhov tsis kam rau hauv av .Nws ntsuas ntau yam yog los ntawm 103 (