Bedded salt deposits are the remains of ancient seas that have evaporated. Bedded deposits occur in horizontal layers of the mineral halite. These layers range from several to hundreds of feet (meters) in thickness and are between several and several th
AWWA B200-2007由美国给水工程协会 US-AWWA 发布于 2007-01-01,并于 2007-05-01 实施。
AWWA B200-2007 在中国标准分类中归属于: G77 水处理剂,在国际标准分类中归属于: 71.060.50 盐。
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