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China Petroleum Machinery
1001-4578
1987 Issue 10
ti yao
..............page:61
guan yu ke ji lun wen de jie gou
chen li zhong
..............page:57
wei yan ya li xia tao guan cheng zai neng li de yan jiu
zhang bai long
..............page:26
zuan ji de zheng tuo ce shi yu fen xi
liu yu quan
..............page:20
quan ye ya fang pen zuo ye ji yan zhi cheng gong
wu cheng zhang
..............page:19
zeng su v dai chuan dong de she ji ji suan
cao zhu jia
..............page:6