James Bogardus (1800-1874) built the pioneering Cast Iron Building, New York (1848), with a rigid iron frame providing the main support for upper-floor and roof loads.
摩天大楼的先驱是博加德斯（1800～1874）在纽约市建造的铸铁大厦（1848），以牢固的铁骨架主要承载上层和屋顶的负荷。
This article deals with construction technology and measures for rigid frame, formwork, location control and concrete placement of big-slope as-cast concrete mega-column.
介绍大斜率变截面清水混凝土巨型柱的劲性构架、模板、钢筋定位控制和混凝土浇筑的施工技术措施。
It has good airproof, and the frame material is used with high strength cast iron, SKF bearing. These ensure the motor can reliably run under the tough condition.
具有良好的密封型，外壳采用高强度铸铁材料，轴承选用SKF轴承，确保电机在恶劣的环境下可靠运行。
The chain guide frame of coal cutting machine is produced with metabainited cast steel.
将准贝氏体铸钢应用于采煤机链轨架。
The chain guide frame of coal cutting machine is produced with metabainited cast steel.
将准贝氏体铸钢应用于采煤机链轨架。
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