您要查找的是不是：
- X65级钢管 X65 grade steel pipe
- X65级钢 X65 grade steel
- X65级管线钢 X65 grade pipeline steel
- X80级钢管 X80 grade steel pipe
- L245A级钢管 L245A-pipe
- JP级钢管磷化的研究 PHOSPHATIZATION OF JP GRADE STEEL TUBE
- X65钢 X65
- 他将望远镜收进一根钢管内。 He slipped the telescope into a steel tube.
- X65钢级直缝埋弧焊管 X65 grade LSAW 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.
- 包黄麻钢管 jute-covered steel pipe
- 企业级 enterprise-level; business-level
- 玛钢管件 malleable cast iron pipe fitting
- 他是耶鲁大学比我高两级的学生。 He was my senior at Yale by two years.
