虽是袖珍指南，却无处可放，除了休闲裤。
This is your pocket guide, though it won't fit in anything except your cargo pants.
在饮水质量、农业和水产废水的安全使用以及休闲娱乐用水的安全性方面，制定指南；
develop guidelines on quality of drinking-water, safe use of wastewater in agriculture and aquaculture, and management of safe recreational waters;
应用推荐