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China Petroleum Machinery
1001-4578
1990 Issue 10
ti yao
..............page:57
zhong guo zhuan li wen zhai
..............page:56
9 5/8 p2 xing zuan tou tong guo ji shu jian ding
qiao li ka
..............page:55
lie jian su xing qu de fen xi yu ce suan
wang wei juan ; zhao nai zuo
..............page:16
chou you ji nei zhang shi sha che zhuang zhi she ji fen xi
wu xian chi ; zhao yi bin
..............page:11
f320 3dh zuan ji qi kong hui lu luo ji fen xi
ji zhen ye ; yu shu xian
..............page:47
jd60/38 w xing jing jia di zuo de jie gou te dian
chen shi jie
..............page:44
3fwz 195 xing dai fu dong ding zi de wo lun zuan ju
hu ze ming ; fu da liang
..............page:39