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China Petroleum Machinery
1001-4578
1988 Issue 4
ti yao
..............page:59
xin xi jiao liu
..............page:56
y541-115 xing jing ye ya feng ge qi
chen gui he
..............page:54
xjfh-2/35 xing qi dong jiao che
zheng yin hua ; zhang zuo
..............page:52
ji cai jing bu ya jing fu qiu kai guan
yang xue rong ; xia yuan guo
..............page:35
dan luo gan jing di ma da xian xing li lun de yan jiu
gan xing ping
..............page:1