Blow-hole colostomies were closed on postoperative day 10, the investigators say.
研究者报道小切口结肠造瘘口在术后10日闭合.
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Proper pouring process would avoid molten iron to be contaminated and reduce blow-hole defect.
正确的浇注工艺能防止铁液受到污染,减少铸件产生的气孔.
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The main features of the fissure type nitrogen blow hole and its formation mechanism was described.
叙述灰铸铁件裂隙状氮气孔的主要特征、形成机理.
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This paper investigate improve process of melting bronze coat and re movement of blow hole.
因此,就采用小座炉熔炼紫铜外套如何改进工艺操作、攻克紫铜外套气孔难关作一初探.
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一只充气玩具的影像蜷缩在墙上一个凹凸不平的空洞中,回望着外面的世界,令人心酸地想到城市和都市现代化可能强加给人类的伤害。
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对邢子文提出的双螺杆多相流混输泵专用型线的几何性能和密封性能进行了探讨,重点讨论了其啮合线、接触线长度及泄漏三角形面积的计算方法。
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