| 1. | Today, the uses of aluminum are innumerable . 今天铝的用途多得不可胜数。 |
| 2. | Aluminum sleeves were placed around the stems . 植株树干用铝制套筒包着。 |
| 3. | "aluminum?" cried his three colleagues in chorus . “铝?”他的三个同伴一起叫起来。 |
| 4. | Their removal is effected by aluminum and ferric salts . 用铁盐和铝盐能将其有效地除去。 |
| 5. | The third conducting bar top is similar to the second . 第三种导电铝条的顶端类似第二种。 |
| 6. | They are alumino-silicates of sodium, potassium and calcium . 它们都是钾和钙的铝硅酸盐类。 |
| 7. | It was a terylene diaphragm coated with a layer of aluminum . 它利用一个镀有铝层的涤纶膜片。 |
| 8. | The aluminum sheets cannot be too much thicker than 0.04 inches . 铝板厚度不能超过004英寸。 |
| 9. | Sial is the base on which the land surfaces of the earth stand . 硅铝带是地球陆地表面的基础。 |
| 10. | Residual amounts of iron and aluminum dilute the phosphate content . 残采的铁铝降低了磷矿的含量。 |