The flower scents the air.花散布芳香....the evanescent scents of summer herbs.夏季香草逐渐消散的香味Volatile substances usually strike the bloodhound's nose as an entire constellation of distinctive scents.猎犬的鼻子通常遇到易挥发性的物质时能辨别出那是完全...
建筑行业用于防火卷帘门、防火门.Used for fireproof roll curtains and fire doors in the building industry.通往楼梯的防火门本中心已安装警铃.All doors of the Centre's exits stairways are alarmed.公路隧道根据防灾和营运时需要,在人行横通道内都有必要设置防火门.Fire Door is necessary ...