孵卵器
发表于 2025-3-28 17:07:37
Business Models of Internet of Things layers and in eleven areas. These models may also be the starting point for creating new business models or inspiration for the creation of a completely new, innovative models. Specification of these new models will be the target for further studies.
obsolete
发表于 2025-3-28 20:08:18
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FUME
发表于 2025-3-29 02:53:48
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公司
发表于 2025-3-29 03:58:10
r protozoan removal, high performers were barrel filters, biosand filters, BSZ-SICG, bucket filters, ceramic candle filters, ceramic pot filters, Indian cloth, colloidal silver-impregnated ceramic filter (CSF), diatomaceous earth water filters, SIPP, solar disinfection (SODIS) and solar cookers. Bes
共同给与
发表于 2025-3-29 07:58:51
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去才蔑视
发表于 2025-3-29 11:46:58
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modifier
发表于 2025-3-29 18:17:12
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玛瑙
发表于 2025-3-29 21:25:45
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小淡水鱼
发表于 2025-3-30 03:26:54
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nugatory
发表于 2025-3-30 07:53:06
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