雅思写作真题（Task 1 小作文）
利用太阳能泵和过滤器生产饮用水的过程
最近考试：2026.1.25辽宁大学
题目原文
The process of producing drinking water by solar power powdered pump and filter. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
