Du er ikke logget ind
Beskrivelse
We need water every day, but how much do we know about water resources? This book is a popular reading material exclusively written by Professor Chack-fan Lee, the authority in water conservancy, guiding us to in-depth analyze the status of application and pollution of water resources with abundant and authoritative data. This book advocates the alteration of thinking from 'man can conquer nature' to 'harmony between human and heaven', providing new experience in altitude toward water utilization.