Water Saving Irrigation 1978 Issue 1 neng xuan zhuan he ping yi de pen guan ji

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Water Saving Irrigation
1007-4929
1978 Issue 1

neng xuan zhuan he ping yi de pen guan ji

..............page:101-102

yi du xian pen guan da fa zhan

..............page:13

wo guo shi zhi de ji zhong dian dong shi zhen shi pen guan ji

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

fei jin shu pen guan guan dao diao cha bao gao

..............page:31-37

py₁ xi lie yao bi shi pen tou tong guo jian ding

..............page:5

zai bei jing ju ban liao liang qi di guan xue xi ban
ben kan tong xun yuan ;

..............page:37

pen guan yong gu ding guan dao ji qi jie tou

..............page:95-100

shang hai shi zhao kai pen guan xian chang hui

..............page:13

xi an shi yi jiu qi san zhi yi jiu qi qi nian mian hua pen guan shi yan

..............page:42-46

jun yun di guan mao guan de she ji
t.a. hao e er ;e.a. xi le ; shi ren pu ;

..............page:85-94

xuan zhuan shi pen tou jie gou can shu de shi yan yan jiu ( er ) yao bi dao liu qi zhong pian liu ban ji he can shu zhi xuan ze
jiang ding sheng ; jin zhao sen ; huang guo jun ; wang wan zhong ; liu le rong ; li ju ying ;

..............page:25-30

mai mian pen guan sheng shui zeng chan tian jian shi yan

..............page:47-53

hu nan sheng jian ding ₅³cp-b xing pen guan ji

..............page:41

nong yong yang fen shui fen ce ding yi

..............page:7

wo guo yin jin shi wu tao mei guo shi zhen shi pen guan ji
xu yi fei ;

..............page:78

shui dian bu ju ban quan guo pen guan cha diao xue xi ban

..............page:84

ning xia shi zhi pen guan yong bao bi gang guan
tu ze yuan ;

..............page:94

tu rang ru shen neng li yu xu ke pen guan qiang du wen ti xiao yi
jiang ding sheng ;

..............page:8-13

fa li shi zhen shi pen guan ji
yu wei ming ;

..............page:61-78

ge sheng jiang jian li yi pi jing ji zuo wu pen guan shi dian

..............page:37

nong zuo wu pen guan tian jian shi yan ke yan cheng guo zong jie jiao liu hui zai jiang su zhao kai

..............page:41

lin jie pen guan qiang du chu ding fang fa de tan tao

..............page:14-24

tu rang ru shen neng li ji xu ke pen guan qiang du shi yan fang fa ( tao lun gao )

..............page:6-7

gui zhou sheng wei zu zhi you guan fu ze tong zhi dao si chuan can guan xue xi pen guan

..............page:94

uxing shen suo shu guan

..............page:38-41

rang tu shen tou xing ji qi xu ke pen guan qiang du
h.c. yi er huo fu ;c.b. ka weng tuo er ; jiang ding sheng ;

..............page:79-84

pen guan diao cha de ti hui he yi xie wen ti de tan tao
li li ; yang gang ;

..............page:3-5

ji jiang ju ban quan guo pen guan ji shu duan xun ban

..............page:24

san nian hong shu di guan shi yan zong jie

..............page:54-60

xin de su liao di guan guan

..............page:102

li yong hong wai xian zhao xiang jian ce guan gai

..............page:103

xin jiang shi zhi de da xing pen guan ji

..............page:104

jia kuai shi xian shan qiu han di shui li hua si chuan sheng pen guan he xiao xing shui li jian she da fa zhan

..............page:1-2

hu nan sheng zhao kai pen guan hui yi

..............page:24