The bottle in the suction machine should be cleaned daily.
抽痰机之抽吸瓶需每天清洗。
A multifunctional suction nozzle of a dust suction machine belongs to the field of environmental sanitation machinery.
吸尘机的多功能吸嘴，属于环卫机械领域。
The main transformed parts included water cooling wall, burner, coal saver, dust removing equipment, air suction machine and coarse powder separator.
主要改造部分有：水冷壁、燃烧器、省煤器、除尘设备、吸风机和粗粉分离器等。
The main transformed parts included water cooling wall, burner, coal saver, dust removing equipment, air suction machine and coarse powder separator.
主要改造部分有：水冷壁、燃烧器、省煤器、除尘设备、吸风机和粗粉分离器等。
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