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所以, 研究如何能更准确地预报导管螺旋桨水动力性能非常重要.
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At first, the thermodynamic calculation of Solid Ducted Rocket is researched.
在此基础上,首先对固体冲压发动机热力计算展开了研究分析.
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EC-135直升飞机结合欧洲直升机公司的低噪音涵道尾螺旋浆专利技术.
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结果, 因为无经验,在工作场所造成的截肢伤害,在此时占了极高的百分比.
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Trial producing a austempering ductile iron of oblique wedge to replace steel.
试制一种新型的奥氏体──贝氏体球铁斜楔,代替原来的铸钢件.
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In Petroleum, chemical and Marine applications, Ductile Iron Does it!
在石油 、 化工和海运领域, 球墨铸铁发挥着非凡的作用!
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Characteristically, metals are opaque, ductile, and good conductors of heat and electricity.
从特点来看, 金属不透明, 有韧性, 是热和电的良导体.
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Basic structures have Xiyoufang thrusting-nappe ductile shear zone and Jiangjiashan overfault.
主要构造有西油房逆冲 — 推覆韧性剪切带及蒋家山逆断层.
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Materials: Grey Iron, Ductile Iron, wear and heat resistant alloy iron.
材质包括: 灰铁 、 球铁 、 耐磨、耐热合金铸铁.
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通过讨论加工参数和材料特性来研究脆塑性转换机理.
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Whereas the alloy with low Na content exhibited ductile fracture with dimples.
而钠含量较高的合金发生韧性断裂,断口为韧窝型.
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Ductility is a measure of the degree of plastic deformation that has been sustained at fracture.
延伸度是指材料在断裂时发生的塑性形变程度的量度.
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Analysis shows that the confined concrete can obviously improved bearing capacity and ductility.
分析表明,约束混凝土可以显著提高其承载力和延性.
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