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- 氮化钒合金在400MPa级钢筋中的应用APPLICATION OF VN ALLOY IN 400?MPa-GRADE REINFORCED BAR
- 400MPa级细晶钢筋盘条工业化生产实践INDUSTRIALIZED PRODUCTION PRACTICE OF 400MPa LEVEL FINE-GRAINED WIRE ROLL
- 400MPa级超细晶粒钢筋闪光对焊的组织及性能MICROSTRUCTURE AND PROPERTY OF THE FLASH BUTT JOINTS IN 400 MPa ULTRA-FINE GRAIN STEEL
- 400MPa级超细晶粒钢的焊接Welding of 400MPa Ultra-fine Grain Steels
- 400MPa级超细晶粒钢的力学性能Mechanical Properties of 400MPa Ultra-fine Steel
- Ⅲ级钢筋Grade Ⅲ bar
- 400MPa级带肋盘条生产工艺研究Research on the Production Technology of 400MPa Ribbed Wire Rod
- 钢筋reinforcing steel bar
- 钢筋混凝土reinforced concrete
- 400MPa级超细晶粒钢板焊接热影响区的组织和力学性能Microstructures and mechanical properties of welding HAZ of 400 MPa ultra-fine grained steel
- 新三级钢筋type third stage reinforcing steel
- 钢筋混凝土结构reinforced concrete structure
- 400MPa400 MPa
- 大学英语四级College English Band 4
- 船级ship' classification
- 钢筋工steel fixer
- 三级片third-grade film
- 钢筋水泥armored concrete
- 当碳相含量小于20vol%时，材料的抗弯强度可达到400Mpa以上。The bending strengh of composite over 400Mpa has been obtained within 20vol%25 carbon content.
- 无级stepless
