In the present study,the solutions containg different H_2O/Si(OC_2H_5)_4 molar ratioshave been prepared,and as drying control chemical additive(DCCA),appropriate amount ofglycerin was added in these solutions.是什么意思_In the present study,the solutions containg different H_2O/Si(OC_2H_5)_4 molar ratioshave been prepared,and as drying control chemical additive(DCCA),appropriate amount ofglycerin was added in these solutions.在线翻译_英语_读音_用法_例句