Research of root welding technology and welding procedure with back-up shoes pipeline girth welding
带衬垫的管道环焊缝根焊技术及焊接工艺
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For instance, it may foster lateral growth in girth, instead of longitudinal growth.
例如, 它可促进周围的侧向生长而代替纵向生长.
辞典例句
为了保证石油管线运输的安全可靠性,需要对输送管道环焊缝进行检测。
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生长模型是定量研究果树干周生长过程的有效手段.
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原先在这样的岩石上缠绕扁带,被用做攀登保护点.
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It is a rare , well-preserved fossil tree of unusual height and girth.
这是一块树木化石,木形完整,体积又长又大,实属罕见.
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Two passes ASAW technology for girth weld of LPG cylinder with lock butt joint is introduced.
本文介绍了液化石油气钢瓶环缝锁底接头、两道埋弧焊工艺.
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The Upper Bound and the Index Set for Lewin Index of Primitive Digraph with Girth 2
围长为2的n阶本原有向图的Lewin指数集
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Heat Treatment for Stabilizer Column& Desorption Tower Girth Welding in the Air
稳定塔、脱吸塔空中组对环口的热处理工艺及措施
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建立了圆柱分支管Y型三通的主管相贯线处的周长不变的条件,确定了相贯线为椭圆。
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This paper presents a new method for hip curve match and hip girth calculation using hipthickness.
本文探讨了臀围曲线拟合和臀围尺寸的计算方法.
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牦母牛的重要相关性状是体长,对体重间接选择时应特别重视对体长的选择,同时也要注意对胸围、胸宽、胸深和体高4个性状的选择。
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Development of China Automatic UT Phase Array Equipment for Girth Weld
国内长输管道对接环焊缝相控阵全自动超声检测装置的研制
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