例句 /

Ascorbic acid and ammonium dihydrogen phosphate solution were used as the matrix modifier.

Ascorbic acid and ammonium dihydrogen phosphate solution were used as the matrix modifier.

采用抗坏血酸和磷酸二氢铵作混合基体改进剂,热解涂层石墨管,塞曼扣背景。