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51. | waterproof case |
| 防水外壳 |
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52. | dust-proof case |
| 防尘外壳 |
|
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53. | case temperature |
| 外壳温度 |
|
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54. | mechanical shell |
| 机械外壳 |
|
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55. | outside casing plate |
| 外壳板 |
|
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56. | air intake casing |
| 进气道外壳 |
|
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57. | outside shell of firebox |
| 火箱外壳 |
|
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58. | building envelope |
| 建筑物外壳 |
|
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| |
59. | battery jar accumulator jar |
| 蓄电池外壳 |
|
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60. | earth of casing |
| 外壳接地 |
|
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| |