通过化学絮凝, 活性炭吸咐及离子交换得容易将它们除去.They are removed more readily by chemical flocculation, activated carbon absorption and ion exchange.通过这种方法加速的过程称为絮凝.This process is enhanced through the operation known as flocculation.在制备箱中,絮...
Ore minerals in the Colorado - type deposits are of uraninite and coffinite, with associated vanadium and minerals.科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿, 与之共生的还有钒,铜矿物....
一群大象缓慢而笨拙地穿过平原，朝水潭走去。A herd of elephants lolloped across the plains towards a watering hole.北美大平原上曾有过7,000万头野牛。Once there were 70 million buffalo on the plains.索尔兹伯里平原在古代被称为Ellendune。Salisbury Plain was known anciently a...
The rotor has recesses in its three faces between the lobes.转子在其凸角之间的三个面上有凹槽.He emerged from the dark recesses of the garage.他从车库的暗处走出来。There was something in the darker recesses of his unconscious that was troubling him...
Never use volatile fluid such as lacquer thinner , benzine, etc. when cleaning the unit.切勿使用香蕉水 、 汽油等挥发性液体清洁计算器.We finished the desk in antique red lacquer.我们用古式红漆仔细油漆了这张桌子.The red lacquer work on the upper wall was badl...