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虫胶
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虫胶
紫胶虫分泌的一种天然琥珀色树脂物质。以紫胶树脂为主要成分,混合着紫胶色素、紫胶蜡、糖类、蛋白质、盐类(或其他掺杂物)等物质。原名紫胶。
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虫胶
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虫胶
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respiratory devices
respiratory electron transport chain
respiratory electron-transport chain
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respiratory health effects of atmospheric pollution
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respiratory nematodosis of ovine and cattle
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respiratory organs protection aid
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respiratory supplementation and draining method
respiratory syncytial virus
respiratory syncytial virus (RSV) infection
respiratory syncytial virus,RSV
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