基本解釋[動力與電氣工程]信號極性轉(zhuǎn)換開關(guān)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(gè)既方便又一個(gè)重要階段，包括開關(guān)，以便適當(dāng)?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(guān)