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- X80级钢管 X80 grade steel pipe
- X80级管线钢管 X80 grade pipeline steel pipe
- X80级Nb-Cr钢管 Nb-Cr X80 grade steel pipe
- X80级 X80 grade
- X65级钢管 X65 grade steel pipe
- L245A级钢管 L245A-pipe
- X80级管线钢 X80 pipeline steel
- X80级螺旋埋弧焊管 X80 grade SSAW pipe
- JP级钢管磷化的研究 PHOSPHATIZATION OF JP GRADE STEEL TUBE
- X80 X80 grade
- X80钢与WPHY80钢 X80 and WPHY80
- 他将望远镜收进一根钢管内。 He slipped the telescope into a steel tube.
- X80管线钢螺旋焊管 X80 SSAW pipe
- 六级英语 English Band 6
- 薄钢管 sheet steel pipe
- 八级风 force 8 wind
- 薄壁钢管 thin-wall steel tube
- 百万吨级 megaton
- 玛钢管 malleable iron pipe
- G级各种年龄段的观众都可观看的电影 A movie rating that allows admission to persons of all ages.
