矿渣

kuàng zhā zhuān

矿渣砖

slag brick

qīng lǐ kuàng zhā

清理矿渣

get rid of slag

kuàng zhā féi

矿渣肥

slag phosphate fertilizer

kuàng zhā mián

矿渣棉

silicate cotton

kuàng zhā táo cí

矿渣陶瓷

slagceram