工程软件训练1目录目录······································································································1第1章绪论·························································································3第2章活塞组的设计············································································42
1活塞的设计··················································································42
1活塞的材料········································································42
2活塞头部的设计···································································42
3活塞裙部的设计····································································52
2活塞销的设计··············································································52
1活塞销的结构·····································································5第