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helium dilution analyser
helium diving
helium diving bell
helium drier
Helium drift
helium dump tank
helium dump valve
helium embrittlement
helium extraction
helium extraction and nntrogen rejection process
helium family element
helium film
helium film flow
Helium flash
helium fuel tank pressurization
Helium fusion
helium fusion process
Helium gas
helium gas blanket
helium gas circulator
helium gas distribution board
helium gas pressurization system
helium gas thermometer
helium gas turbine
helium group
英汉双解词典包含3607232条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/13 0:38:14