常見(jiàn)例句雙語(yǔ)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(kāi)關(guān)，以便適當(dāng)?shù)牡鸵粜盘?hào)極性被選中。 返回 signal polarity switch