常見例句雙語例句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?hào)極性被選中。 返回 signal polarity switch