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- Billets shall be free from all harmful cracks, central porosity, blow holes and pin holes. 钢坯需避免不良缺陷，如裂缝，中心孔隙，气泡和塞孔.
- With the soft reduction technology,the cast slab's central porosity and segregation were effectively reduced,which was important to impr... 轻压下技术的采用,有效减少了铸坯中心疏松和偏析,对提高产品质量有重要意义。
- Understanding the ono-column volume change due to reduction is a key factor to avoid central porosity cracks, improve the dimensional precision, and promote the application of skew rolling. 螺旋孔型斜轧是一种轴类零件成形新工艺,具有效率高、质量好、材料利用率高等优点。
- The WHF method,maily,emphasizes,decentral,real,press,effect,ofdeforgings,it has better results in solving of the metallurgical defects such as ingot segregation,central porosity,hole shrinkage. WHF法主要强调锻件的中心压实效应,对于解决因冶炼带来的锭型偏析、中心疏松、缩孔等缺陷有较好的效果,而且针对性强、方便适用,因此被广泛应用于大、中型轴类件的生产。
- Keywords Pressing rings;Crack;Central porosity;Ingot shape segregate; 压圈;裂纹;中心疏松;锭型偏析;
- Such values are central to our way of life. 这些价值对于我们的生活方式是至关重要的。
- She stay in a small hotel near Central park. 她住在中央公园附近的一家小旅馆。
- Choose a central location for your house. 把你的家选在一个便利的地方。
- Buses leave the central bus depot every hour. 每个小时都有公共汽车离开公共汽车中心站。
- In a small hotel near Central Park. 住在中央公园附近一家小旅馆。
- Make sure the central heating is off. 集中供暖设备一定要关掉。
- Keywords continuous casting;martensite staniless steel;electromagnetic stirring;equiaxial crystal ratio;central porosity; 连铸;马氏体不锈钢;电磁搅拌;等轴晶率;中心疏松;
- The area code for central London is0171. 伦敦中心的电话区号为0171。
- We put new central heating in when we moved here. 我们搬到这儿的时候安装了集中供暖设备。
- What's the central thought of this article? 这篇文章的中心思想是什么？
- The train leaves the central station at14:15. 火车14点15分离开中央车站。
- Is your central heating gas or electricity? 你们的集中供热设备是煤气的还是用电的?
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- A sloop has only one central pole. 单桅帆船只有一个中央桅杆。
- The head office is in the central part of the city. 总公司位於市中心。
