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- Armco culvert 皱纹铁管涵
- A drainage passage, as to a culvert. 排水沟排水通道,如阴沟
- They ran for the culvert and ducked in. 他们跑到涵洞跟前,钻了过去。
- Culvert and sluice block and sluice water. 涵闸具有挡水、泄水的作用。
- After days of hard work, the culvert was at last completed. 经过几天的苦战,总算把涵洞修好了。
- Welcome new and old customers call to buy culvert guidance. 欢迎新老客户来电来涵选购指导。
- The experimental results of Armco iron, copper, cermet and graphite are given. 给出了Armco铁、铜、金属陶瓷和石墨的测试结果。
- This paper deals with RE-B-Al diffused into the armco iron using pasty method. 采用膏剂法对工业纯铁进行稀土硼铝共渗,观察了渗层组织,探讨了硼化物的形成机制。
- JTC has ceased the collection of culvert deposit for new land offers. 裕廊集团不再对新发配的土地征收排水渠保证金。
- These culvert pipes will run out after half of the project is completed. 工程进行到一半, 这些涵管就用完了。
- Calls to welcome an old friend of the new culvert consulting business! 欢迎新老朋友来电来涵咨询业务!
- The adsorption behaviour of thiourea (TU) on Armco iron was investigated in 0.5mol. 本文通过测定Armco铁在0.;5mol
- Armco Steel et al,46 a 1972 case in which such a claim was made, was unsuccessful. )诉钢铁商(ArmcoSteeletal)一案提出了一个并不成功的主张。
- The effect of rare earths on the kinetics of boron-aluminized layer growth of armco iron using Pasty method at 890, 920 and 950 t was studied. 采用膏剂法在890,920和950℃对工业纯铁进行稀土硼铝共渗及硼铝共渗,考察了稀土在各温度条件下对渗层生长动力学的影响。
- Borided layers on the surface of Armco iron and eutectoid carbon Steel were eutectified in furnace and then scanned continuously with laser beam of high power densities. 工业纯铁与共析碳钢表面渗硼层先在炉中处理,以获得共晶组织,然后以高能密度激光束扫描;
- A study of the preferred orientations and microstructure of armco iron after cold reduction and recrystallization has been made. 用极固与金相研究工业纯铁的轧制与再结晶织构和组织。 热轧后的试样经过两种冷轧方法:(1)压下率为98.;8%25,与(2)压下率为64
- This paper deals with the kinetics of the ion nitrided layer growth for armco iron, steels 45, 40Cr, 42CrMo and 38CrMoAl. 本文研究了在不同离子渗氮工艺参数下,纯铁、45钢、40Cr、42CrMo及38CrMoAl钢等五种材料的离子渗氮层长大动力学,建立了长大动力学的数学模式。
- Cracks are easily occurred during construct the reinforced concrete box culvert. 钢筋混凝土箱涵在施工过程中,易产生裂缝。
- This paper is concerned with the process of the layer formation boronized on armco iron by gas boronizing by means of the method of X-ray. 渗硼层的形成机理,一直是渗硼研究的重要课题。 本文主要采用X射线法对用气体法在工业纯铁上形成渗硼层的过程进行了研究。
- Compared with the railway bridge and culvert design specifications, the box beam structure design and construction method are seen rational and feasible. 通过有限元分析结果与铁路桥涵设计规范的比较得出,该箱梁结构设计合理,施工方案可行。
