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Hydraulics Pneumatics & Seals
1008-0813
1998 Issue 1
ye ya jun heng xi tong de guan dao dong tai fen xi
xie ying jun
..............page:18-21
ye ya ji shu xian zhuang ji fa zhan qu shi
yang er zhuang
..............page:3-7
mai kuan diao zhi shi luo ji dian ye xi tong
liu yong jian
..............page:40-41