| 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。
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| 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。
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| 3. | Hardness is caused by divalent metallic cations .
硬度是由一些两价金属阳离子引起的。
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| 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。
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| 5. | Soluble metallic hydroxides are bases that are alkalies .
可溶解的金属氢氧化合物都是碱。
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| 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。
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| 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。
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| 8. | Niobium is the metallic element with the highest transition temperature .
铌是转变温度最高的金属元素。
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| 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。
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| 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。
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