fa men shui ya jian ce xi tong de gai jin
wang xi dong

..............page:40

mo kuai shi duo yong tu qiu fa
shi zhen he

..............page:8-10

Three triple offset butterfly valve
li feng wu; xing wei ping; yu hai yan; kang wei hong; yang xiu xiang; chang li jun(qinhuangdao metallurgical machinery valve plant; qinhuangdao 066004; china)

..............page:5-8

re dian chang yong diao jie fa gu zhang chu li
dai hua

..............page:39-18

yi qi qiu fa zhong fa lan luo shuan duan lie shi gu fen xi
liu hui yuan ; zong shi ying

..............page:37-38

Management system of engineering drawing files for middle and small valve works
chen bing\+1; du zhao nan\+2(1 xian petroleum college; xi an 710065; china; 2\^gansu university of technology; petroleum chemical engineering; lanzhou 730050 china)

..............page:34-36

Select of the ball valve spring
zhu yong ping(zi gong high pressure valve co.; ltd; zi gong\ 643032; china)

..............page:31-33

Application of static painting on the spring of gas valve
fan shu guo(hebei normai college occupational technique college shijiazhuang hebei 050031; china)

..............page:25-26

fa men ce shi tai jie kou
ye sheng

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

fa men ling jian wu sun jian ce yan shou biao zhun tan tao
wang jian li

..............page:30

fa gan luo mu li zi dan hua gong yi
song qiang

..............page:29-30

xiang nin ti gong fa men shui ya zi ping heng shi shi ya she bei

..............page:10

fa men huan lian jie fa lan duan ti xing huan cao liang ju
wang bi shu

..............page:27-28

Research on pressure-surge proof valve actuator
li xu dong; yong qi wei; ye you yi(logistical engineering university; chongqing 400016; china)

..............page:19-21

Structure improvement on swing check valve
xie ji lan; han jun; sue dian shun(dalian high pressure valve factory; dalian 116022; china )

..............page:11-12

Application and research on Aluminium alloy stem nuts
wang de quan; zhao ying; li ai guo; zou chao ming; zhang yu fen; guan feng yao(shenyang valve research institute; shenyang 110025; china)

..............page:13-18

Seal system of the high performance butterfly valve
hao cheng ming(luoyang petrochemical engineering corporation; luoyang 471003; china)

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

wen xian suo yin
liu kai ning

..............page:41-42

Test and study on the sealing surface width of globe valve influencing on leakage rate
liu feng; he ju(mechanical manufacturer of petroleum university (huadong); dongying; 257062; china)

..............page:22-24