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关东
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关东guāndōng(1)[northeast China]旧称东北三省,以位于山海关之东而得名。亦称“关外”(2)[the east of Hangu pass in ancient china]指函谷关以东之地自秦孝公以来,周室卑微,诸侯相兼,关东为六国。――《史记·李斯列传》
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ethylene nitrite
ethylene oxide
ethylene oxide unit
ethylene oxide units
ethylene perchloride
ethylene periodide
ethylene plant
ethylene polymer
ethylene project
ethylene-propylene copolymer
ethylene-propylene-diene misch-polymere
ethylene propylene diene monomer
ethylene propylene monomer
ethylene-propylene rubber(EPR)
ethylene propylene terpolymer
ethylene reductase
ethylene rhodanate
ethylene rhodanide
ethylene series
ethylene sulfocyanate
ethylene sulfocyanide
ethylene sulfonic acid
ethylene-sulfonic acid
ethylene tetrabromide
ethylene-tetracarboxylic acid
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更新时间:2026/3/2 20:25:28