杭州市区夏季大气飘尘中元素成分的测定
空气传播
air borne
暂无补充释义。
相关例句
相关词条
air humidifier
air cooling
primary-air supply aperture, passage
pneumatic lock (compressed-air lock)
closet flushing by means of compressed-air chamber
compressed-air press
air-jet interlaced yarn
temperature controlled air cleaner【环境】;temperature modulated air cleaner【环境】