|
11. | watch circuit disc |
| 表底板 |
|
|
| |
12. | brake backing plate |
| 制动器底板 |
|
|
| |
13. | seat cushion board |
| 座垫底板 |
|
|
| |
14. | floor of coal seam |
| 煤层底板 |
|
|
| |
15. | underlying strata |
| 底板岩石 |
|
|
| |
16. | pilot tunnel floor |
| 导坑底板 |
|
|
| |
17. | subbase footing |
| 基础底板 |
|
|
| |
18. | bottom ejector plate |
| 喷射底板 |
|
|
| |
19. | plexiglass base plate |
| 有机玻璃底板 |
|
|
| |
20. | backplane level |
| 底板级 |
|
|
| |