以下为句子列表：
英文: Abstract: The maximum tube distribution numbers in tube sheet limited circle for fixed tube sheet heatexchanger have been determinded by used of the superposition method with computer based on C language programming.It is characterized by determination th
中文: 文摘:采用迭加的方法，使用C语言编程在微机上实现管板布管限定圆最大布管数的确定.该方法可根据中心布管数是奇排列还是偶排列来确定最大布管数，简便易行，计算速度快，对换热器的设计及工艺计算具有实用价值.
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英文: Sonic new ideas and views were proposed, such as regulation on general welding procedure qualification and its method of application, welding procedure qualification between heat exchange tube and tube sheet assessmented by the thickness of fillet weld, a
中文: 本文还首次提出一些新思路、新观点，如母材、焊材分类细则以及标准以外材料分类要有分类报告佐证；通用的焊接工艺评定规定及使用方法；换热管与管板的焊接工艺评定是评定角焊缝厚度；气瓶焊接工艺评定是两个类型评定的结合，也可以分别评定。
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英文: The steam leakage was occurred on the welding zone of the tube sheet of the austenitic stainless steel heat exchanger.
中文: 摘要在奥氏体不锈钢制再沸器的上管板与壳程筒体焊接的管板一侧发生蒸气泄漏。
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