您要查找的是不是：
- X65级钢 X65 grade steel
- X65级管线钢 X65 grade pipeline steel
- X65级钢管 X65 grade steel pipe
- C级钢 low alloy cast steel grade C
- B级钢 B grade steel
- E级钢 Grade E steel
- DQ级钢 DQ class steel
- 螺纹钢 deformed steel bar
- X65钢 X65
- 六级英语 English Band 6
- 三级钢 third-class steel
- 八级风 force 8 wind
- 这类工具是钢制的。 Tools of this kind are made from steel.
- 百万吨级 megaton
- 他的建筑主要是以钢筋混凝土或钢为骨架的。 He centers his constructions around reinforced concrete or steel skeletons.
- 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.
- 磁铁吸铁也吸钢。 A magnet attracts both iron and steel.
- 企业级 enterprise-level; business-level
- 半钢 semisteel
- 他是耶鲁大学比我高两级的学生。 He was my senior at Yale by two years.
