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51. | Entry to motorway |
| 高速入口 |
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52. | High-speed printer |
| 高速打印机 |
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53. | at high speed |
| 以高速 |
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54. | quick closing valve |
| 高速阀 |
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55. | high velocity flow |
| 高速水流 |
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56. | developed at top speed |
| 高速发展 |
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57. | high velocity impact |
| 高速碰撞 |
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58. | Bullet train |
| 高速列车 |
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59. | high speed tool steels |
| 高速工具钢 |
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60. | HSF (High Speed Flight) |
| 高速飞行 |
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