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老人學
释义
老人學
lǎo rén xué
為研究老人的一門科學,對年老的現象及老人問題作科學的研究。
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Palladium Diacetate
palladium dichloride
palladium-diffused hydrogen
palladium diffuser
palladium diffusion process
palladium difluoride
palladium diiodide
palladium dioside
palladium dioxide
palladium diselenide
palladium disulfide
palladium dydroxide
palladiumelectroplating
palladium electro plating
palladium film
Palladium-free activation
palladium gate
palladium generator
palladium glass
palladiumgold
palladium gold
palladium-gold
palladium-gold paste
palladium-gold polarium
palladium-gold-silver alloy contact
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更新时间:2026/6/27 9:05:46