| 1. | Ancillary hyperlane method solve sectional intersecting line
辅助超平面法求截交线 |
| 2. | Applications of plan normal vector in solid geometry
平面法向量在立几计算中的应用 |
| 3. | Solving problems in solid geometry by normal vector of plane
用平面法向量解立体几何题 |
| 4. | Vacuum rubber seal plane flanges . dimensions of carriers
真空橡胶密封平面法兰.托环尺寸 |
| 5. | Vertieal assistant surface method extract interfingering lines
垂直辅助线平面法求相贯线 |
| 6. | Vacuum rubber seal plane flanges . dimensions of retaining rings
真空橡胶密封平面法兰.挡圈尺寸 |
| 7. | Vacuum rubber seal plane flanges . dimensions of fixed flanges
真空橡胶密封平面法兰.固定法兰尺寸 |
| 8. | Vacuum rubber seal plane flanges . dimensions of rotable flanges
真空橡胶密封平面法兰.旋转法兰尺寸 |
| 9. | Vacuum rubber seal plane flanges . dimensions of clamping screws
真空橡胶密封平面法兰.卡钳螺栓尺寸 |
| 10. | Vacuum rubber seal plane flanges . dimensions of clamping flanges
真空橡胶密封平面法兰.夹紧法兰尺寸 |
