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21. | secondary containment |
| 外壳安全壳 |
|
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| |
22. | canning material |
| 外壳材料 |
|
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| |
23. | extended envelope |
| 厚外壳 |
|
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| |
24. | dust-proof case |
| 防尘外壳 |
|
|
| |
25. | multilayer package |
| 多层外壳 |
|
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| |
26. | oil pump housing |
| 油泵外壳 |
|
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| |
27. | corrugated tank |
| 波形外壳 |
|
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| |
28. | transformer shell |
| 变压器外壳 |
|
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| |
29. | watertight housing |
| 水密外壳 |
|
|
| |
30. | case temperature |
| 外壳温度 |
|
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| |