top-slat iron

In Motuosarla Fe and Mn deposit, the chert mainly distributes in iron ore bed, some on its top and at its bottom, with a relatively stable thickness.

莫托萨拉铁锰矿中硅质岩多分布于铁矿层中，部分分布于铁矿层顶底部位，厚度较稳定。

Upon the top of the bank was a low brick wall, surmounted by an iron railing.

石塄坎顶上有一道矮砖墙, 上面是一道铁栏杆.

350 m3 blast furnace is analyzed systemically by using six sigma management tools. The essential reasons of influencing pig iron silica content are found out. They are coal ratio, material charge, furnace top pressure, coke ash and charging system.

利用六西格玛管理提供的工具，对铸管公司1350m3高炉的生铁含硅量进行了系统分析，找出了影响生铁含硅量的根本原因是煤比、料批、炉顶压力、焦炭灰分及料制。

A Cupola Suited to Smelt High Temperature and Top Quality Molten Iron By the technical principal analysis of smelt refining casting, extrusion and finish rolling.

熔炼高温优质铁水的卡腰冲天炉通过对熔炼、铸造、挤压及精整各工序的工艺原理分析。

And the charge of molten iron is poured into the top.

从炉顶上把铁水倒入炉中.