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Water Saving Irrigation
1007-4929
1979 Issue 3
liu kong bu jin shi she liu pen tou
..............
page:39-42
guo wai jiao pan shi pen guan ji de fa zhan he xian zhuang
hao jin dong ;
..............
page:64-75+89+2
da jia du lai guan xin wo guo pen guan shi ye de fa zhan
..............
page:12
chang tu shi zhi cheng gong 120 xing shuang bi shi pen guan ji
..............
page:47
dui pen guan fa zhan zhong ji ge zhong yao wen ti de kan fa
shi jun liang ;
..............
page:9-12
jiao pan shi pen guan ji qian yin su du he qian yin li xu yao liang de bian hua
hai yin ci shu lei er ; ai ren ;
..............
page:76-80
hu nan sheng kai zhan pen guan ji zhi liang jian cha huo dong
wang yue hong ;
..............
page:8
di guan zi dong hua zhuang zhi shi yan cheng gong
..............
page:86
ning xia zhao kai pen guan bao bi gang guan ji shu hui bao hui yi
tu ze yuan ;
..............
page:20
pen guan yong beng
..............
page:87
tai feng jiao pan shi pen guan ji he bu mu xuan zhuan xuan bi shi pen guan ji
yin wan he ;
..............
page:81-85
xi gua di guan hao chu duo
..............
page:42
hu bei jian ding qing xing di qiang du pen guan ji zu
sun wan di ;
..............
page:2
fei ji chang shang de zi dong pen guan xi tong
..............
page:80
mei guo 1978 nian pen guan mian ji
chen da diao ;
..............
page:47
fu jian sheng zhao kai pen guan ke yan xie zuo hui
..............
page:86
pen guan xi tong she ji shou ce bian xie gong zuo hui yi zai mu dan jiang zhao kai
..............
page:87
shui li bu ke ji ju zu zhi pen guan ji shu diao cha
..............
page:86
dang qian wo guo pen guan fa zhan zhong zhi de zhu yi de yi xie wen ti
yu kai de ;
..............
page:3-8
xin jiang ping yi shi pen guan ji zhu yao xing neng de jian yao fen xi
..............
page:26-38
yao bi shi pen tou yao bi yun dong fang cheng de yan jiu yong dian zi ji suan ji ji suan yao bi de shou li qing kuang
ge jia jin ; hu jia zuo ; lu hai min ; sheng da de ;
..............
page:48-62
zi xi zhen kong jing he jing qun pen guan
..............
page:80
chang ji zhou shi zhi cheng gong zz 100 400 xing shi zhen shi pen guan ji
..............
page:47
yuan xing pen guan ji
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page:88
yao zhong shi he jie jue pen guan fa zhan zhong de wen ti
..............
page:1-2
yi da li de di guan
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page:63
ji ji wen tuo jiang jiu jing ji shi xiao di tui guang pen guan
sun wan di ;
..............
page:38
ji zhong tu rang xu ke pen guan qiang du de ce ding
..............
page:87
kang gao wen kang gan han zi dong pen guan zhan
zhang zhen fang ; chen you gen ;
..............
page:21-25
qing hai qian shan qu zi ya pen guan gui hua she ji yu shi gong guan li
zhou ji chang ; wei wen hua ; xue xue cheng ;
..............
page:13-20
xian ning xian an zhuang yao kong pen guan xi tong
..............
page:8
guang xi ju ban pen guan ji shu xue xi ban
yuan zhi qiang ;
..............
page:86
nong zuo wu pen guan guan gai zhi du de tian jian shi yan yan jiu fang fa
..............
page:43-47