China Petroleum Machinery 1987 Issue 7 ti yao

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China Petroleum Machinery
1001-4578
1987 Issue 7

ti yao

..............page:52

xin xi jiao liu

..............page:49

zuan jing beng huo sai de gong neng ji shi yong shou ming
liu hong bin

..............page:44

yi zhong xin de ying bian ce shi fang fa xie jiao zuo biao wei yi dao shu fa
fu zuo hua

..............page:42

liang zhong ya lun zuan tou xin chan pin
yan gang

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

1190nt xing tian ran qi fa dong ji
zhang ming yan

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

dai ju he wu tu ceng de chou you gan jie gu
feng yao zhong

..............page:39

zai tan guan yu zuan tou zi dong gei jin qi de ji ge wen ti
zhang lian shan

..............page:36

zhong su xi lie zuan jing beng de kuang chang shi jian ji qi ji shu jing ji xiao yi
zhou feng shi

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

chou you ji qu bing xiao lian jie ji gou de sun huai ji yu fang cuo shi
chen shi xing

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

chou you ji shi ce ji bian qu xian ping jun zhi de ji suan
cui zhen hua

..............page:16

zuan jing beng gang tao - huo sai jian xi zhi de shi yan yan jiu
zhou xi rong ; yang qi ming

..............page:9

san gang dan zuo yong zuan jing beng lian gan qiang du er wei you xian yuan fen xi
wang lu ; wang shang heng

..............page:1