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。
You're right. The Li River is crystal clear, and no matter how deep the water is you can see the bottom-the pebbles, sand and weeds clearly.
对。漓江的水犹如水晶一样,晶莹清澈,不管水有多深,都清澈见底,能清楚地看到江底的沙石与杂草。
Menggulin oilfield is composed of conventional heavy oil sand reservoirs and conventional heavy oil bottom water conglomerate reservoirs.
蒙古林油田由普通稠油砂岩油藏和普通稠油砾岩底水油藏组成,油层单一,油水粘度比大,层间接替能力差、稳产难度大。
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