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41. | pressure-tight body |
| 密封壳体; 密封舱 |
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42. | pressure tight joint |
| 耐压接缝 |
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43. | pressure-tight connection |
| 耐压密闭连接 |
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44. | hand tight standoff |
| 用手上紧至上不动为止 |
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45. | Hermetically tight seal |
| 气密密封 |
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46. | pressure tight case |
| 气密外壳 |
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47. | tight monetary policy |
| 紧缩的金融政策 |
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48. | pressure-tight weld |
| 气密焊 |
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49. | a tight skirt; |
| 很紧的裙子; |
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50. | fuel-tight area |
| 密封燃料舱 |
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