| 1. | A sharp metallic rapping came on the front door . 前门上响起一阵刺耳的金属敲击声。 |
| 2. | A kind of metallic hardness came into his voice . 他的声音带有一种刺耳的生硬的腔调。 |
| 3. | Hardness is caused by divalent metallic cations . 硬度是由一些两价金属阳离子引起的。 |
| 4. | A metallic bellows is made from a thin seamless tube . 金属波纹管是由薄壁无缝管制成的。 |
| 5. | Soluble metallic hydroxides are bases that are alkalies . 可溶解的金属氢氧化合物都是碱。 |
| 6. | The two opposite walls of the container are metallic plates . 容器的两个正对面的器壁都是金属板。 |
| 7. | It is with the metallic ores that we are concerned in this chapter . 我们在本章中要涉及的是金属矿石。 |
| 8. | Niobium is the metallic element with the highest transition temperature . 铌是转变温度最高的金属元素。 |
| 9. | For metallic materials, a transverse interference technique is used . 对于金属材料应用一种横向干涉技术。 |
| 10. | All organic and metallic residues on the wafers must be removed . 片子上所有的有机和金属残留物均必须清除。 |