By using L_9 (34) orthogonal experimental design method, the cementation reaction of three kinds of solid wastes in the natural state were investigated.
运用L_9(34)正交试验设计方法，研究了3种固体废弃物在自然状态下的胶结反应。
The chemical treatment main method has the cementation, Azotize, infiltrates the metal.
化学热处理的主要有渗碳、渗氮、渗金属的方法。
The chemical treatment main method has the cementation, Azotize, infiltrates the metal.
化学热处理的主要有渗碳、渗氮、渗金属的方法。
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