steel pit

The pit is ventilated by a steel fan.

矿井中用钢制通风机来保持空气流通。

Research on Steel Reheating Technology in Pit Soaking Furnace

鞍钢方坑均热炉烧钢工艺研究

Effect of steel pit on the mechanical property was discussed in succession. Numerical results show that exponential relation exists between the yield strength and depth of corrosion pit.

讨论了钢筋表面锈蚀坑对钢筋力学性能的影响，建立了钢筋屈服强度与蚀坑深度之间的关系；

Quantitative analysis of benefits of charging temperature of steel ingot of soaking pit

钢锭模准备和脱锭跨均热炉钢锭装炉温度效益的定量分析

Application of Long Spiral Rotating Pile with Steel Pipe Combined Support Technology in Foundation Pit Project

长螺旋搅拌桩钢管桩复合支护技术在基坑工程中的应用

Using Reinforced Concrete Poured Pile and Steel Support as Deep Pit's Enclosuring System& Practice on Deep Foundation Construction of the Project of Shanghai Jie Fang Daily and Printing House Building

以钢筋混凝土灌注桩及钢支撑作深基坑围护体系&上海解放日报业务楼及印刷厂工程深基础施工实践

However, with temperature rise, the saturated brine corrodes the casing steel rapidly in pit corrosion shape mainly.

但随着温度的升高，它对套管钢的腐蚀性急剧增大，腐蚀形态以点蚀为主；在高温条件下，P-110套管钢的耐蚀性优于N-80套管钢。