| 1. | Antimony adds to the rigidity of the casting . 锑能增加铸件的硬度。 |
| 2. | The temper of the clay was right for shaping . 这粘土的硬度适于塑形了。 |
| 3. | This process removes the water hardness . 这一工艺去除水的硬度。 |
| 4. | Lead is one of the softer metals . 铅是硬度较低的金属之一。 |
| 5. | Hardness is caused by divalent metallic cations . 硬度是由一些两价金属阳离子引起的。 |
| 6. | With regard to hardness , the diamond is in a class by itself . 讲硬度,金刚钻是独一无二的。 |
| 7. | Indentation methods of hardness testing comprise two principal groups . 压痕法测定硬度包括两大类。 |
| 8. | This scale is based on the relative abrasiveness of minerals . 此硬度计的依据是矿物的相对研磨能力。 |
| 9. | One simple way of describing strength is in terms of surface hardness . 描述强度的一种最简单方法是以表面硬度来表示。 |
| 10. | The grade of table eggs depends to a major degree on the firmness or gel structure of the albumen . 食用蛋的等级主要决定于蛋清的硬度或凝胶结构。 |