短語詞組短語frequency division counter 分頻計數(shù)frequency y counter 頻率計數(shù)器;頻率計parameter frequency division counter 參數(shù)化分頻計數(shù)器test frequency by counter 計數(shù)測頻frequency alias counter 頻率計數(shù)器Circulation pump frequency counter 熱網(wǎng)循環(huán)泵變頻柜Variable frequency counter 變頻柜Calibrate the Frequency Counter 校準頻率表Complex frequency Counter 復合頻率計 返回 frequency counter