常见例句Byusing N.commune and alkali paper,we synchronously monitored the Sulfur Dioxide con-centration inside a smeltry and around it in Baiyin region. 本文用地木耳和堿片同步監測了白銀地區某冶鍊廠及其四周大氣中的二氧化硫濃度。 返回 smeltry