您希望使用吸气室，面罩还是仅仅需要一个鼻吸呢？
Do you want to run an induction chamber and to a mask or just a nose cone?
冷却室、吸气泵以及制冷系统被布置在封闭的系统中。
The cooling chamber, sorption pump, and refrigeration system are arranged in a closed system.
实验室玻璃器皿。瓶。吸气瓶。
Glass. glassware for bacteriological use. culture flask called " legroux tube ""
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