急需几本液压方面的英文教材,恳请大家帮忙 $ p( I7 E3 f5 i4 {9 X4 d: k& [1. Fluid Power with Applications 7th ed. by Anthony Esposito - d4 K5 J! c: p) p( T6 j; r2. Hydraulic control systems by Herbert E Merritt 或Noah Manring $ N& i+ N9 ^! r! a, l% n3. Fluid power circuits and control by Jons Cundiff ( r9 n' l4 f. P) ]+ h% Y' P ( M2 L+ R" {8 i6 O0 |0 b十分感谢!!!