研究不同抗氧化剂搭配对镁碳质转炉出钢口管砖抗氧化性能的影响。
Effects of different anti-oxidants on the anti-oxidation properties of MgO-C tapping hole of a converter are studied.
其他竞争性材料如石料、砖、金属和塑料管都是从易被竭尽的矿产资源中提取的。
Its competitors such AS stone, brick, metal and plAStic are all derived from exhaustible mineral sources.
对高炉热风主管、围管三叉口组合砖的设计计算进行了探讨和实践。
The design and calculation combined bricks in trident of main and round hot blast pipes on b.
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