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氦
释义
氦helium 【化】 helium 【医】 He helion helium 氦hài〈名〉化学元素名。一种极轻的无色惰性气态元素,是所有气体中最难液化的,存在于整个宇宙中,但只在某些天然气中含有在经济上值得提取的量,主要用于填充飞艇和气球 [helium]――元素符号He
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non-par stock
non-participating
nonparticipating
non-participating preferred stock
non-participating stock
non-participation
non-participation stock
nonpartisan
nonpartisan election
nonparty
non-par value share
non-par value stock
non-pathogenic
non-pathogenic bacteria
non-payment
nonpayment
non-payment protest
non-payout lease
non-pay status
non-pecuniary loss
non-pedunculated hydatid
nonpenetrating wound
nonpenetration
non-pensionable supplements
non-performance
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更新时间:2026/5/15 9:18:32