steel manufacture

This is not always true-as with the manufacture of pig iron and steel from low-grade iron ores-but it did lead to the concentration of industrial developments on the coal fields.

并非一概如此 — 例如从低级铁矿石中生产生铁和钢材的情况一但是这导致了工业发展集中在煤田上.

Is the pipeline manufacture and the steel stove pressure vessel makes highly effective welding auxiliary engine.

是管道制造和钢炉压力容器制造高效焊接辅机.

Surface cleanliness and integrity is a core technology issue in the manufacture progress of authentic stainless steel equipment for key nuclear instrument, like nuclear main pump, sea water desalting plant contacting with high halogen concentration and boiler plant suffered high temperature corrosion.

表面高度清洁度和完整性是第四代先进核电站中核主泵等关键不锈钢装备高洁净度制造的核心，也是接触高浓度的氯离子海水淡化设备和高温腐蚀锅炉设备的必要条件。

Organism frame may use the aluminum molding, the stainless steel or the carbon steel manufacture.

机体框架可采用铝型材, 不锈钢或碳钢制作.

Development and Manufacture of Aluminum Test Model for Concrete Filled Steel Tube Arch Truss Bridge

钢管混凝土桁式组合拱桥铝合金试验模型研制

Optimization design and manufacture technology for steel anchor box structure of tie ban arch bridge

系杆拱桥钢锚箱结构的优化设计及制造工艺