常見例句雙語例句Moreover, the performances of flux were investigated with the tests of expansion, wettability and surface insulation resistance.通過擴展試驗、潤濕力試驗和表面絕緣電阻測試,評價各種助焊劑的性能。Low surface insulation resistance (SIR) of a printed circuit board (PCB) can degrade the performance of the circuits on the board considerably.印制電路板的表面絕緣電阻(SIR)低會大大降低電路板的電路性能。It'mainly concludes these characteristic parameters, such as visual, dryness, ion contamination, welding flux residual, surface insulation resistance and electric migration et al.這些參數(shù)主要包括:外觀、干燥度、離子污染、助焊劑殘留、表面絕緣電阻和電遷移等。 返回 surface insulation resistance