refractory clay

基本解释

Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China.
煤、煤層氣、鋁土鑛、耐火粘土、鉄礬土、含鉀巖石等儲量居全國首位；
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Phosphoric acid technical grade can be used to produce variety of phosphate, refractory clay and rust –proof coating;
工業級磷酸用作生産各種磷酸鹽，磷酸耐火泥，塗料工業用作金屬防鏽漆；
China has begun to restrict the mining and production of refractory clay and fluorite over concerns about reserves decreasing and environmental pollution, the central government's website said Sunday.
據中國政府網3日消息，由於資源儲量快速下降和環境汙染嚴重等原因，國家要求開始對耐火粘土和螢石的開採和生産進行控制。
www.chinadaily.com.cn