|
|
| 21. | pressure tight case |
| 气密外壳 |
|
|
| | |
| 22. | drawn-shell case |
| 压制外壳 |
|
|
| | |
| 23. | metal ceramic package |
| 金属陶瓷外壳 |
|
|
| | |
| 24. | calabash gourd (lagenaria vulgaris var. calvata) |
| 葫芦外壳 |
|
|
| | |
| 25. | moisture proof case |
| 防潮外壳 |
|
|
| | |
| 26. | quartz contactor |
| 石英外壳 |
|
|
| | |
| 27. | mild steel shell |
| 低碳钢外壳 |
|
|
| | |
| 28. | reactor housing |
| 反应堆外壳 |
|
|
| | |
| 29. | microphone case |
| 传声器外壳 |
|
|
| | |
| 30. | canning material |
| 外壳材料 |
|
|
| | |