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cavity friction
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cavity friction
声腔摩擦
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helium-oxygen diving
helium permeation
helium permeation test
helium-poor star
helium pressure tank
helium refrigerator
helium replacement
helium-rich core
helium-rich star
helium seal
helium shell
helium shielded arc welding
helium spectrometer
helium speech
helium star
helium-strong star
helium syncope
helium tremor
helium variable
helium-weak star
helium white dwarf
helium wind tunnel
helium-xenon arc lamp
helium（He）
helix
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更新时间：2025/3/13 20:31:28