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单词
exhaust-fan
释义
exhaust-fan
n.
[建] 排气扇;[建] 抽风机;排风机
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helium ion
helium ion beam
helium ionization detector
helium isotope
helium isotope ratio
helium lamp
helium layer
helium leak
helium leak check
helium leak-check
helium leak detecter
helium leak detection mass spectrometer
helium leak detector
helium leak test
helium leak-test
heliumlike
helium-like ion
helium liquefaction
helium liquefaction, hydrogen liquefaction
helium liquefier
helium magnetometer
helium maser
helium mass flow
helium mass spectrographic method
helium mass-spectrometer detecting system
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更新时间:2025/10/12 6:50:57