1.
Microstructure and Mechanical Properties in Heavy Section Ductile Iron
厚大断面球铁的显微组织及力学性能
2.
The validity of the apparatus to the research on the solidification behavior of ductile iron with heavy section was verified.
验证了这一装置对于厚大断面球铁铸件研究的有效性。
3.
Prevention of Common Flaw in Heavy Section Ductile Iron Castings
厚大断面球墨铸铁件常见缺陷的防止
4.
Casting Technology of High Strength and Thick Section Ductile Iron Mainshaft
高强度厚大断面球墨铸铁主轴的铸造
5.
Application of Graphite Chills to the Heavy-Section Ductile Iron Castings
石墨冷铁在大断面球墨铸铁件上的应用
6.
Research on Production Process and Design of Main Engine Equipment on Heavy and Medium Section Ductile Iron Casting;
大中断面球铁水平连铸设备主机设计及生产工艺研究
7.
Technical and cost analysis of large-section railway tunneling;
大断面铁路隧道施工技术与造价分析
8.
The new Austrian method construction monitoring measurement of large section subway station
大断面地铁车站新奥法施工监控量测
9.
Numerical Analysis for Construction of Large Cross-Section Loess Tunnel in High-Speed Railway;
高速铁路大断面黄土隧道施工数值模拟
10.
A Research over Construction Technology for Large Section Shallow-buried Tunnel on Mollisol Tier of Urban Subway;
城市地铁大断面软土层浅埋隧道施工技术研究
11.
Research on Construction Mechanics for Highspeed Railway Tunnel with Shallow-Depth and Large-Section in Dachen Railway;
达成高速铁路浅埋大断面隧道施工力学研究
12.
The railroad passenger transportation special line hard rock extending cross section tunnel CRD method construction
铁路客运专线硬岩扩大断面隧道CRD法施工
13.
Application of Jacking Technique for Box Culvert with Large Cross Section in Construction of Underpass Railway
大断面箱涵顶进技术在下穿铁路工程中的应用
14.
oxidation free iron on the surface of the moon
月球表面上不氧化的铁
15.
Research on Construction Technology of Large Section Tunnel Crossing under the Existing Subway Tunnel by Means of Shallow Tunneling Method;
大断面隧道浅埋暗挖法下穿既有地铁构筑物施工技术研究
16.
Study on Comparison of Mechanical Transformation Mechanism Caused by Side Drifts-support Method and by Central Drifts-column Method for Large Flattened Cross-section Subway Station;
暗挖大断面地铁车站侧洞法和洞柱法施工力学转换机理对比研究
17.
The Research of Large Cross-section and Ultra-shallow Subsurface Subway Station Construction Technology
特大断面超浅埋暗挖地铁车站隧道施工技术研究
18.
Study on Mechanical Behavior and Surface Subsidence Due to Construction of Mutate Large-Section Tunnel
突变大断面地铁隧道施工力学行为及地表沉降研究