抽痰机之抽吸瓶需每天清洗。
杜瓦瓶是射电望远镜上接收机系统的前端。
The dewar is the front end of the receiver system of the radio telescope.
该生产线由洗瓶机、蒙砂机、烘干机等机器组成。
This production line is made of bottle washing machine, acid etched machine and dryer. ect.
方法：采用毛刷式洗瓶机及超声波式洗瓶机洗瓶，加以比较。
Method: Compare Brush Washing-vial Machine with Vhrasonic Washing-vial Machine.
方法：采用毛刷式洗瓶机及超声波式洗瓶机洗瓶，加以比较。
Method: Compare Brush Washing-vial Machine with Vhrasonic Washing-vial Machine.
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