|
21. | extended envelope |
| 厚外壳 |
|
|
| |
22. | microphone case |
| 传声器外壳 |
|
|
| |
23. | quartz contactor |
| 石英外壳 |
|
|
| |
24. | corrugated tank |
| 波形外壳 |
|
|
| |
25. | pressure tight case |
| 气密外壳 |
|
|
| |
26. | canning material |
| 外壳材料 |
|
|
| |
27. | reactor housing |
| 反应堆外壳 |
|
|
| |
28. | multilayer package |
| 多层外壳 |
|
|
| |
29. | calabash gourd (lagenaria vulgaris var. calvata) |
| 葫芦外壳 |
|
|
| |
30. | watertight housing |
| 水密外壳 |
|
|
| |