bacteria 发表于 2025-3-25 03:30:58

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STRIA 发表于 2025-3-25 11:14:29

Technological Economics,cal reasons—to maintain employment in a depressed area or to maintain an industry to avoid dependence on imports in strategically important areas of manufacture. However, any such unprofitable operations represent a drain on the national resources and must be supported and subsidized by the taxes paid by profitable activities.

强制性 发表于 2025-3-25 13:58:13

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arabesque 发表于 2025-3-25 18:39:13

Pharmakotherapie vestibulärer Erkrankungen(known to them as ‘natron’) mixed with animal fats as soap to wash corpses, and on its own in the mummifying process which followed. Glass objects and glazed pottery, which were buried with the mummies for their use in their assumed after-life, were made from soda and sand.

CRAFT 发表于 2025-3-25 23:48:21

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chisel 发表于 2025-3-26 02:45:21

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民间传说 发表于 2025-3-26 07:50:15

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semble 发表于 2025-3-26 09:21:11

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FLEET 发表于 2025-3-26 13:18:19

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follicular-unit 发表于 2025-3-26 19:31:13

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查看完整版本: Titlebook: an introduction to Industrial Chemistry; C A Heaton (Senior Lecturer and Industrial Chemist Book 1991 Blackie & Son Ltd. 1991 Ethen.chemis