Six refractory elements mobility was studied for altered rhyolite weathering profile in Longtang, Guangxi.
对广西龙塘蚀变流纹岩风化剖面中六个难溶元素的活动性进行了研究。
Because of the multiple leg configuration, these Elements are often installed through a refractory plug as shown in Figure 3, page 5.
由于这种硅碳棒有多段结构，在安装时通常用一个难熔得插栓如第5页图3所示。
Chemical compounds made binary elements are main body of refractory materials.
由两种元素生成的化合物是耐火材料的主体。
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