chui zhi tan yu yi huan neng qi de di wen feng kou
Wang Qingchi Absrtact:This paper describes a new technique of the vulcanization sealing in the manufactruring of tranducers for the vertical fish finder. This new method is much easier and simpler as

..............page:61-65

hai yang huan jing guan ce ji shu de chan ye hua
li yun wu ;

..............page:1-4

hai yang sheng wu zai shi pin he yi yao gong ye zhong de ying yong yu chan ye hua fa zhan si lu
yu zhi jie ; zuo xin qi ;

..............page:25-29

quan fang wei bai shi qing jiao yi
Wang Jingtian

..............page:57-60

kuan dai xiang kong zhen shi duo pu le hai liu po mian yi adcp
ma li ;

..............page:75-77

hai shui zi yuan zong he li yong ji chan ye hua
yang yao zhong ;

..............page:18-24

gao ke ji zai hai yang di zhi kuang chan diao cha he yan jiu zhong de ying yong ji qi fa zhan qu shi
xu dong yu ;

..............page:5-14

hai yang guang xue fu biao
zhang shu zhi ; he chen ;

..............page:70-74

bian xie biao zhun de ji ben gui ding
xu wei long ;

..............page:66-69

hai di gao jing du zhong li ce liang xi tong ji fang fa ji shu yan jiu he ying yong
luo zhuang wei ; liu wen jin ; cheng zhen yan ;

..............page:38-51

yi zhong shi shi shui xia sheng tu xiang de huo qu chu li he zi dong shi bie xi tong
Sang Enfang Liu Fengtu;Guo Yuhong;You Lifu

..............page:52-56

bo hai dong ji you qi sheng chan wei xian bing qing bao jing fang fa
Li Tonggui

..............page:30-37

xian dai hai shang wu xian dian tong xin ji shu de fa zhan qu shi
hu sheng fu ;

..............page:15-17