离开 发表于 2025-3-28 14:52:27

Insect pests in waste products,se for excessive breeding of various flies and of crickets, which may cause serious annoyance. These troubles will be considered in this chapter. Other nuisances are also possible, from the encouragement of rodents, pollution of water from effluent, foul odours and smoke from open burning.

讨好女人 发表于 2025-3-28 20:42:28

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chiropractor 发表于 2025-3-29 02:51:01

Clothes moths and carpet beetles,Several insect pests with biting mouthparts, which occur in houses, will occasionally bite holes in fabrics; they include cockroaches, crickets and bristletails. The reason for this destructive habit is unknown, for the fabrics attacked do not serve as nourishment. Accordingly, any type of fibre, whether natural or artificial, may be damaged.

attenuate 发表于 2025-3-29 06:54:45

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RADE 发表于 2025-3-29 11:16:39

Appendices,The following index of insecticides used to control arthropod pests of public health importance gives common names approved by the British Standards Institution. There are also some other common names and trade names, which are denoted by inverted commas.

落叶剂 发表于 2025-3-29 13:10:34

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折磨 发表于 2025-3-29 18:49:31

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ARCH 发表于 2025-3-29 23:06:46

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词汇表 发表于 2025-3-30 00:15:48

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细微的差异 发表于 2025-3-30 04:31:06

Sourav De,Siddhartha Bhattacharyya,Susanta Chakraborty,Paramartha Duttaliquids,alloys, fused salts, polymers and other materials. The ELBT-program allows the fast search of data according to property type, chemical system (substances, mixtures, and solutions), author(s), source an978-3-540-31699-2Series ISSN 1615-1844 Series E-ISSN 1616-9522
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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