- 重点词汇
- fracturevt.& vi.（使）折断，破碎;
- existv.存在;生存;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- alloyn.合金;（合金中的）劣等金属;搀杂品;成色;
- ofprep. 关于;属于…的;由…制成;
- promotev.促进;促销;晋升;使…升级;
- bothadj.二者，两者都;
- platingn.电镀，被覆金属;
- defectn.瑕疵，毛病;欠缺，缺点;
- 相关例句
The strengthening mechanism of iron grain nickel coating was studied.
研究了镀镍铁粉对材料性能的影响,探讨了镀镍铁粉增强机理.
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Causes for defective nickel deposits were discussed and solutions were presented.
探讨了镀镍层常见缺陷的原因并提出了解决方法.
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This paper analyses the structure and properties of nickel-plating and boronizing layer.
分析研究了镀镍渗硼层组织结构和性能特点.
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Formula of Aminosulfonate nickel plating on discrete parts was described.
介绍了用于分立器件的氨基磺酸盐镀镍工艺.
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The upper limits of Cr ( III ) concentration in different Cr-plating processes are different.
不同镀铬工艺所允许的三价 铬含量 上限各不相同,过多均有害.
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To plate metal is to cover it with a thin layer of gold, or silver, etc.
电镀金属就是把金属薄薄地覆盖上一层金或银等.
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本文介绍了该测量仪的研制目的 、 工作原理和电路组成.
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The advance measuring instrument have guaranteed the out quality of the products.
严格的检测手段、先进的测量仪器,确保了产品的优秀品质.
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So it is used instead to calibrate more practical current-measuring instrument, called ammeters.
因此,它只用于校准更实用的测量电流的仪表――安培计.
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Doubts were expressed concerning the validity and reliability of the primary measuring instrument.
人们对最初的测量工具的效度和信度产生了一些怀疑.
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为了准确评估固体推进剂的性能,研制了红外激光羽烟透过率测量系统.
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本文系统地介绍了一种双波长光纤测温仪的原理 、 结构及特点.
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Impulse voltage measuring system is very important in high voltage test.
冲击电压测量系统是高电压试验的重要组成部分.
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