Journal of Drainage and Irrigation Machinery Engineering 1988 Issue 5 guan hao yong hao dian li ji bu que bao nong ye zeng chan feng shou

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Journal of Drainage and Irrigation Machinery Engineering
1005-6254
1988 Issue 5

guan hao yong hao dian li ji bu que bao nong ye zeng chan feng shou
ding bo shun ;

..............page:14-15

kai fa gao yang cheng xiao liu liang de wei xing beng
chen jian ren ;

..............page:21-22

guan dao yan cheng shui li sun shi de shi yan yan jiu
liu yu lin ;

..............page:23-26

cheng zu ji shu zai qian shui beng zhi zao gong yi zhong de ying yong
meng fan zhong ;

..............page:8-11

guo jia ji xie gong ye wei yuan hui gong cheng nong ye ji xie ju qi ye biao zhun

..............page:15-19

zhong guo nong ji zong gong si pai guan ji xie kai fa jing ying bu di san ci li shi hui hui yi ji yao

..............page:2

gong cheng qian shui beng ji qi she ji te dian
huang shao yong ;

..............page:3-7+26

ji ji tui guang di yang cheng wo ke shi hun liu beng
yang liu wu ;

..............page:19-20

liu ti ji xie ( bu ke ya suo liu ti ji xie bu fen ) guo ji dan wei zhi ban
yuan tian xing fu ; qian jing ren ;

..............page:27-80

wo xian shui ni li shi guan ji jing yu shen jing beng de pei tao
zhou chang yan ;

..............page:12-13