基本解釋[動力與電氣工程]信號極性轉(zhuǎn)換開關英漢例句雙語例句A convenient and an essential PHASE switch is included to allow for proper subwoofer signal polarity to be selected.一個既方便又一個重要階段,包括開關,以便適當?shù)牡鸵粜盘枠O性被選中。signal polarity switch更多例句專業(yè)釋義動力與電氣工程信號極性轉(zhuǎn)換開關