... centerline bulkhead 中线隔舱板 centerline crack 纵向裂纹 center-line waterflood 中央行列注水 ...
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纵向裂纹 longitudinal crack ; centerline crack ; longitudinal flaws ; longitudinal cracks 冷裂纹 cold crack ; machine-made granite sand ; Kaltri ; cooling crack .
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结果表明： 非金属夹杂物超标是导致管坯表面产生纵向裂纹的主要原因。
The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.
分析了连铸薄板坯表面纵向裂纹的产生原因，结合通钢薄板坯生产实际情况，提出了改进措施。
The causes of surface longitudinal cracking were analyzed. Countermeasures were put forward based on the production practices of thin slab casting and rolling at Tonghua Steel Co.
结果表明：T91钢在高温高压水蒸汽环境下氧化层遵循“ 纵向裂纹不穿透破裂剥落”机理；
The results showed that rupturing and exfoliating of the oxidation layers under the high-temperature high-pressure water vapor were induced by the non-breakthrough lengthwise cracks;
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