gào / yīng / shā / jīng / guò / jiā / gōng / hòu / kě / yǐ / yòng / yú / shēng / chǎn / nài / huǒ / cái / liào锆英砂经过加工后,可以用于生产耐火材料。After processing, zircon sand can be used to produce refractory materials.