Filter-type Air Extractor 膜式脱气装置 ; 膜式穿气装置 ; 膜式脱气装配
air-extractor 抽气设备 ; 抽气泵 ; 抽气器 ; 抽风机
air extracter air extractor 抽气器
type Air Extractor 膜式脱气装置
air lift extractor 空气升液萃取器
air chamber plug extractor 空气室拉出手柄
air r extractor 抽气机 ; 抽气器
air r lift extractor 空气升液萃取器
The inspector asked the restaurant to replace the filter on the air extractor .
监察员要求餐馆更换排气扇的过滤网。
The utility model discloses a sowing barrel with an inner air extractor pulled by a bearing which is mounted on a gas pipe axle connected with an air pump.
本实用新型公开了一种内置气吸式播种滚筒，它由轴承带动转 动。
Air accumulation in the condenser owing to insufficient output of air extractor can increase the terminal temperature difference and the air pressure component.
抽气器出力不足而引起的空气在凝汽器内积聚，使得凝汽器端差和空气分压力均增大，对凝汽器真空造成双重影响。
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