例句與造句

1. On the scaffolding operation platform stairs , safety way , entrance has overspread by wooden board , should set up handrail
   3操作層各步架上、安全通道、入口走道均滿鋪腳手板，設(shè)置安全扶手
2. The results show that only supplying air to platform stairs and simultaneously extracting smoke of fire zone can a best safe evacuation environment in the station be maintained
   模擬結(jié)果表明，只有同時對站臺樓梯送風(fēng)防煙和對火源所在防煙分區(qū)及時排煙，才能在車站內(nèi)實現(xiàn)最有利于人員疏散的安全環(huán)境。
3. It's difficult to find platform stair in a sentence. 用platform stair造句挺難的