The front of exit door should not with open drain.什麼意思

The front of exit door should not with open drain.什麼意思 i can't open the front door.Why not try ___the back door?A o with the front wibdow open －－I can't open the front door.----Why not try ___the back do Please_______(not open)the door. 适当形式填空 We should keep the door open ,not _______(close) They told us that we should not open the door to stangers I can't open the door with this key.Why not( )it with anothe I don't think you should sleep with the door ____ A open B o 建筑翻译高手请进:open drain;cover drain;open drain with grating cove Do you mind if I open the door?回答 Not at all 还是Of course not the drain of eternity