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![porphyritic granite造句]( "porphyritic granite造句")
porphyritic granite造句
massivecoarsegrainedporphyriticgranitePotashfeldsparporphyroblastsoccurinlargequantityinthegranitecloselyrelatedtothegoldoredepositsintheZhaoyuan-Yexianarea,especiallyintheGuojialingporphyriticgranite...
