郭維東

Overview

Works:	2 works in 2 publications in 1 languages

Titles

河道整治 by: 郭維東 (Language materials, printed)

抗旱灌水播種及節點滲灌土壤水分運動規律的研究 by: 郭維東; 趙志剛 (Language materials, printed)

Subjects