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陶瓷银浸锅(CSP)过滤器
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12:21, 28 September 2017
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实地研究表明,由于可以节省药物,燃料木材和劳动力的费用,购买过滤器的投资将在3至6个月内“回本”。在尼加拉瓜,危地马拉和柬埔寨,这种过滤器的生产是一种商业活动,已经在其他六个国家启动生产。
每个家庭每年只需3-
5美元就能拥有一个家用,它可以提供干净、无菌的水
5美元就能拥有一个家用滤水器,它可以提供干净、无菌的水
= = = 装配、 运营和维护 = = =
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