常見(jiàn)例句雙語(yǔ)例句Once visitor comes and push the call button, you can open the door inside using videophone or interphone.客戶(hù)來(lái)訪(fǎng)，按CALL按鈕，您可以使用對(duì)講電話(huà)給客戶(hù)開(kāi)門(mén)。b-ts.com 返回 button interphone