Older water heaters can rust, collect sand and sediment in the bottom, and are also costing you 15% of your household’s energy dollars.
老旧热水器的底部会生锈，积灰并产生沉淀物，同时还会消耗15%的家庭能源。
Older water heaters can rust, collect sand and sediment in the bottom, and are also costing you 15% of your household’s energy dollars.
老旧热水器的底部会生锈，积灰并产生沉淀物，同时还会消耗15%的家庭能源。
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