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- The intermedium temperature microstructure of medium carbon alloy steel is upper and lower bainite. 中碳合金钢的中温转变组织只有上、下贝氏体。
- As a result, it provides basis for studying phase transformation from pearlite to austenite in low carbon alloy steel after high pressure treatment. 所得结果为研究低碳合金钢经高压处理后组织中珠光体向奥氏体转变提供一定的参考数据。
- We are specialized in producing and processing fasteners, special parts, rivet nuts and rollers of low carbon and mid carbon alloy steel in accordance with ANSI, DIN, JIS, etc. 专业生产及加工低碳,中碳,中低碳合金钢紧固件,异型件,拉母,罗拉,美,德,日制等螺母。
- Composite materials guide can be gotten by strengthening carbon steel guide with oxyacetylene hot spray welding. Replacing high carbon alloy guide with it has a good result. 用氧化乙炔焰热喷焊技术对普碳钢导卫装置进行表面强化,制成复合材导卫以替代高碳高合金导卫,取得较好效果。
- The microstructure and the property of two low carbon alloy steel forged parts were compared for parts after isothermal normalizing with those after ordinary normalizing. 研究了两种合金渗碳钢锻件普通正火和等温正火的显微组织和性能。
- The influence of alloys on the seawater corrosive and abusive resistance of medium carbon alloy steel has been studied. 本文主要研究了合金元素对中碳合金钢的耐海水腐蚀磨损的影响规律。
- The evolution of deformation dislocation structure during the tensile loading was examined by transmission electron microscopy in the tempered martensite of low and middle carbon alloy steels. 应用透射电子显微术研究低碳及中碳合金钢回火马氏体的形变位错结构随拉伸加载过程的演变。
- The martensite in low and medium carbon alloy steels mainly is lath martensite of dislocation substructure besides little twin substructure at the segregation regions of chemical composition. 低、中碳合金钢中的马氏体除局部区域因成分偏析呈孪晶亚结构外,主要是位错亚结构的板条马氏体。低碳合金钢的中温转变组织主要有兰类,即粒状组织、上贝氏体和下贝氏体。
- Under 2.7J impact work, the abrasion of medium carbon alloys are deep flaking while that of low carbon high alloy steels are shallow flaking and the mass wear is lower. 2.;7J冲击功下,中碳合金钢以深层剥落为主,低碳高合金钢以浅层剥落为主,磨损失重小;
- refractory cobalt chromium carbon alloy 耐熔钴铬碳合金
- Structural Design of Carbon Alloy Gear-slotting Tool 硬质合金插齿刀的结构设计
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- It's an alloy not readily drillable. 这是不易钻洞的合金。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- A stable, corrosion-resistant zirconium alloy. 锆合金一种稳定而防腐蚀的锆合金
- An alloy of two or more metallic elements. 合金两种或多种金属所合成的金属
- A copy made by using carbon paper. 复写本,副本用复写纸复印的一份
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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