尤其在干燥气候条件下，为了保持足够的湿度而确保内聚力，有必要加入少量的氯化钙。
In particularly dry climates, it is often found necessary to ADD a little calcium chloride in order to retain sufficient moisture to ensure cohesion.
将二水氯化钙进行加热，干燥脱水后就变成了白色的无水氯化钙。
Heat the two water calcium chloride, after drying dehydration becomes white anhydrous calcium chloride.
将二水氯化钙进行加热，干燥脱水后就变成了白色的无水氯化钙。
Heat the two water calcium chloride, after drying dehydration becomes white anhydrous calcium chloride.
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