... vacuum booster pump 预抽真空泵 vacuum displacement pump 容积式真空泵 vacuum air pump 真空泵 ; 真空抽气泵 ; 真空气泵 ; 房屋地政 ...
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... vacuum booster pump 预抽真空泵 vacuum displacement pump 容积式真空泵 vacuum air pump 真空泵 ; 真空抽气泵 ; 真空气泵 ; 房屋地政 ...
基于225个网页-相关网页
dry vacuum air pump 干式真空气泵
vacuum-air pump 真空管
vacuum pump air removal system 真空泵抽气装置 ; 抽气真空泵组 ; 真空泵抽气系统
vacuum and pressure air pump 抽空压气两用泵
vacuum pump of max air [真空] 气镇泵
air-jet vacuum pump 空气射流真空器
vacuum pump air-removal system 抽气真空泵组
air input to vacuum pump 旋片泵漏气
air-cooled roots vacuum pump system 气冷罗茨真空泵机组
But gas bubbles in the platinum had led Edison to develop an efficient vacuum pump to remove the air from the inside of his bulbs.
但铂材料中的气泡启发了爱迪生，他开发出一种高效率的真空泵来抽取灯泡里的空气。
Inside the cabinet are an air compressor and a vacuum pump.
盒子内部是一台空气压缩机和一台真空泵。
Through tests and exploration, the cause of vacuum fluctuation in summer was found, in the direct air cooling unit, the output of vacuum pump had obvious influence on the variation of vacuum.
经过试验和探索，找到了夏季真空波动的原因，在直接空冷机组中，真空泵出力对真空的变化有明显的影响。
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