overshadow 发表于 2025-3-25 03:49:55

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Granular 发表于 2025-3-25 08:15:12

Insect pests in waste products,at, in most cases, valuable minerals and organic matter, which could form useful fertilizer, are wastefully discarded. This matter will be briefly discussed later, under the headings of reclamation and composting. More relevant to this book is the fact that in most disposal systems opportunities ari

对手 发表于 2025-3-25 12:28:54

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留恋 发表于 2025-3-25 19:29:34

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heterogeneous 发表于 2025-3-25 20:22:33

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杀人 发表于 2025-3-26 02:39:55

James R. Busvine Ph.D., D.Sc., F.I. Biol.l as for reducing production costs. These objectives cannot be achieved without a high degree of automation, control and monitoring throughout the manufacturing process. These qualitative changes require rather deep and comprehensive theoretical and metallurgical–technological knowledge of operators

GRIN 发表于 2025-3-26 08:13:22

James R. Busvine Ph.D., D.Sc., F.I. Biol.ions are directly related with the nature of the explosion, which generates a high speed response of every part of the system; including dynamic behaviours from the chemical, mechanical, and aerodynamical point of view. This study presents an experimental approach to the determination of fragmentati

植物学 发表于 2025-3-26 08:34:31

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Afflict 发表于 2025-3-26 15:31:10

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抵消 发表于 2025-3-26 19:10:39

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查看完整版本: Titlebook: Insects and Hygiene; The biology and cont James R. Busvine Book 1980Latest edition J.R. Busvine 1980 anatomy.biological.classification.ecol