五部门的还包括国内的活动,如由呆在家里父母或家庭主妇。
The invention relates to a quinary polymerization fluororesin containing hydroxy and a synthesis method of the quinary polymerization fluororesin.本发明涉及一种含羟基的五元共聚氟树脂及其合成方法。
This World Expo Shanghai Participating Nations' Pavilions quinary Medallion Set is made by authorization of the Bureau of Shanghai World Expo Coordination.“世博展馆奇观五枚套章”经上海世博会事务协调局授权制造发行。