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- natural alloy iron 天然合金铁
- A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum,rhodium,and other metals,used in needles and wearing points. 铱锇矿一种矿石,是少量铂、铑及其他金属矿石的铱锇的自然合金,用于制造针头和耐磨尖端。
- Alloy Iron Valves are furnished with TFE Braided packing and Synthetic Fibre gaskets. 合金铸铁阀门配置编织TFE填料和合成纤维垫圈。
- A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points. 铱锇矿一种矿石,是少量铂、铑及其他金属矿石的铱锇的自然合金,用于制造针头和耐磨尖端
- naturally alloyed iron 天然铁合金
- The effect of heat treatment on structure and hardness of high alloy iron based hardfacing layer metal was studied and the result obtained is of guiding significance for it's application. 研究了热处理对高合金铁基堆焊层组织和硬度的影响,所得结果对其应用有一定的指导意义。
- The main products are wind turbines with low-temperature ductile iron parts, large injection molding machine templates, valve castings, variable chassis body, alloy iron ingot molds. 主要产品有风力发电机用低温球铁件、大型注塑机模板、阀门铸件、变速机箱体、合金铁锭模等。
- It was found that the formation of the porosities was closely related to the carbon content in alloying iron welding rod and the melting time. 结果发现气孔与合金铸铁焊条碳含量及其熔化时间密切相关;
- Determination of Total Carbon in Alloy Iron 铁合金中总碳量准确测定的分析探讨
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- Iridium probably does not occur uncombined in nature but it is found in natural alloys with other noble metals. 自然界中可能不存在纯铱,通常和其它贵金属共生于天然合金中。
- In regard to non wear resistance of the white iron shot in the practical application process,alloy iron shot have been produced by means of adding alloying element and proper heat treatment. 针对白口铁丸在实际应用过程中不耐磨易破碎的现象,在白口铸铁中通过添加合金元素及适当热处理等手段生产合金铁丸。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- In regard to non-wear-resistance of the white iron shot in thepractical appli cation process,alloy iron shot have been produced by means of adding alloying el ement and proper heat treatment. 针对白口铁丸在实际应用过程中不耐磨易破碎的现象,在白口铸铁中通过添加合金元素及适当热处理等手段生产合金铁丸。
- "It occurs rarely as a free metal, occasionally in natural alloys (especially in meteorites), and in hundreds of minerals and ores, including hematite, magnetite, limonite, and siderite. 地壳中游离铁很少见,而通常存在于合金(特别是陨石)及数百种矿物中,包括赤铁矿、磁铁矿、褐铁矿和菱铁矿。
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- Events took their natural course. 事态依自然进程发展。
- She has a natural wave in her hair. 她的头发自然卷曲。
- Magnetism is a natural phenomenon. 磁力是一种自然现象。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries