O圈O圈沟槽沟槽沟槽型号深度4X1.8内径线径内径外径宽度4.5X1.85X1.841.82.47.61.282.65.3X1.85.6X1.84.51.82.98.11.282.66X1.86.3X1.851.83.48.61.282.66.7X1.86.9X1.85.31.83.78.91.282.67.1X1.87.5X1.85.61.849.21.282.68X1.87.1X2.6561.84.49.61.282.67.5X2.658X2.656.31.84.79.91.282.68.5X2.659X2.656.71.85.110.31.282.69.5X2.6510X2.656.91.85.310.51.282.67.11.85.510.71.282.67.51.85.911.11.282.681.86.411.61.282.67...