|
51. | reactor housing |
| 反应堆外壳 |
|
|
| |
52. | metal ceramic package |
| 金属陶瓷外壳 |
|
|
| |
53. | moisture proof case |
| 防潮外壳 |
|
|
| |
54. | canning material |
| 外壳材料 |
|
|
| |
55. | mild steel shell |
| 低碳钢外壳 |
|
|
| |
56. | pressure tight case |
| 气密外壳 |
|
|
| |
57. | microphone case |
| 传声器外壳 |
|
|
| |
58. | calabash gourd (lagenaria vulgaris var. calvata) |
| 葫芦外壳 |
|
|
| |
59. | quartz contactor |
| 石英外壳 |
|
|
| |
60. | extended envelope |
| 厚外壳 |
|
|
| |