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- Corrosion failure case of U type tube in carbon steel heat exchanger has been analysised by means of XRD,EPMA and electrochmistry methods. 用电化学方法和金属电子显微分析技术,对碳钢换热器U形管高温区腐蚀失效原因进行了分析。
- The developing course and tendence of seamless steel tube production athome and abroad and survey of different type tube rolling mills recent1y developed are intro-duced in the article. 本文论述了国内外无缝钢管生产技术发展历程、趋势和近年来新开发的各式轧管机的概况。无缝钢管生产的特点是工序复杂、多品种、多规格、小批量、对原材料质量要求较高。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- Flared type tube fittings--Swivel run tee--Assembly GB/T5634.;1-1985扩口式组合直角三通管接头
- Flared type tube fittings--Bulkhead union--Body GB/T5643.;2-1985扩口式隔壁直通管接头体
- Flared type tube fittings--Male branch tee--Body GB/T5635.;2-1985扩口式锥螺纹三通管接头体
- Flared type tube fittings--Swivel run tee--Body GB/T5634.;2-1985扩口式组合直角三通管接头体
- Flared type tube fittings--Union tee reducer--Body GB/T5640.;2-1985扩口式三通变径管接头体
- Flared type tube fittings--Inverted flare bolts 扩口式管接头空心螺栓
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- For "U", "W" and similar type tubes from 4 inches (ND 100) through 8 inches (ND 200) diameter UHF burners are part of a custom designed combustion system. 和相似型号的燃烧管直径从4英寸到8英寸,UHF炉头是常规设计燃烧系统部分。
- Opposite poles attract, like poles repel. 同性相斥,异性相吸。
- Flared type tube fittings--Seat insert 扩口式管接头密合垫
- Specification for flared type tube fittings 扩口式管接头技术条件
- Like charges repel each other, but opposite charges attract. 同种电荷互相排斥,但异种电荷却互相吸引。
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- Do you type the letter or take a rest? 你打信呢,还是休息呢?
- The headwords in this dictionary are in bold type. 本词典的词条用的是粗体字。
- He devises a new type of transistor. 他发明了一种新的晶体管。
- This type of bulb screws into the socket. 这种灯是拧到灯座上的。