China Petroleum Machinery 1986 Issue 3 ti yao

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China Petroleum Machinery
1001-4578
1986 Issue 3

ti yao

..............page:65

xin xi jiao liu

..............page:63

han yang pai xiu jing ji di pan xi lie
huang yun sheng

..............page:59

mo ca xue ji chu zhi shi
zhang si wei

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

xuan ze zuan ji fa dian ji zu de you guan wen ti tan tao
liu hong bin

..............page:46

liang zhong jin gang shi zuan tou tong guo ji shu jian ding
yan gang

..............page:45

xq-7 -3 3/8 xiang pi tong qu xin gong ju
wang feng ming

..............page:38

d155 170 zhu shui li xin beng de xiao lv ce shi yan jiu
cui zhen hua

..............page:32

zi dong diao xin wu mi feng ye ya zhu sai de she ji
I.T.LAURENSON

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

xiu jing ji zhu gun tong sheng cao tao de jia gong
liu da ren ; li pei

..............page:22

qiang ci da lao qi de jie gou she ji yu shi yan yan jiu
wu qiong hua

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

zuan ji xiang shi di zuo de qiang du ji suan yu wei yi fen xi
yang min jia

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

qi ye dong tai

..............page:99998