Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.
J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。
The results showed that moisture content of veneer, the electric potential difference of backing plates and the interaction of them all had significantly effects on adhesive strength.
结果表明：单板含水率和垫板间电势差及其交互作用对胶合强度都有极显著影响。
The results showed that moisture content of veneer, the electric potential difference of backing plates and the interaction of them all had significantly effects on adhesive strength.
结果表明：单板含水率和垫板间电势差及其交互作用对胶合强度都有极显著影响。
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