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major spiral
相关语句
  相似匹配句对
     SPIRAL CRYSTALS
     螺旋晶体
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     Choose the major
     选专业不要“雾里看花”
短句来源
     (3)the spiral;
     (3)螺旋型;
短句来源
     The major results were that:
     经过研究取得如下主要结果:
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  major spiral
Major spiral arms were traced from the distribution of long-period classical cepheids on the projected galactic plane.
      
?This paper describes a numerical study of the major spiral rainband in typhoon Flo (1990) using the Meteorological Research Institute Mesoscale Nonhydrostatic Model (MRI-NHM).
      


Six major spiral cases made of quality thick steel sheets have been welded in the construction pits and qualified by joint inspection, and the block-out has being poured now. According to the results from the non-destructive test performed on the weld joints, the welded spiral cases are all superior in quality. The experience in welding procedures and quality control of the spiral cases of VGS units describes in the article can be available for reference for the other units being installed...

Six major spiral cases made of quality thick steel sheets have been welded in the construction pits and qualified by joint inspection, and the block-out has being poured now. According to the results from the non-destructive test performed on the weld joints, the welded spiral cases are all superior in quality. The experience in welding procedures and quality control of the spiral cases of VGS units describes in the article can be available for reference for the other units being installed in the left powerhouse at the Three Gorges project.

三峡电站水轮机蜗壳结构尺寸大,钢板厚,材质好,目前已经完成8台机组的焊接施工并通过联合验收;从对蜗壳焊缝的无损检测结果来看,5台机组的蜗壳焊接质量良好。

 
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