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| 61. | pitch correction |
| 螺距修正|俯仰修正 |
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| 62. | perforation pitch |
| 片孔距 |
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| 63. | periodicity pitch |
| 周期性音调 |
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| 64. | staggered pitch |
| 交错管排|拐折管排 |
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| 65. | pitch acceleration |
| 俯仰加速度 |
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| 66. | pitch adjustment |
| 纵向倾角调节 |
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| 67. | pitch frequency |
| 纵摇频率 |
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| 68. | pitch gyroscope |
| 俯仰陀螺仪 |
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| 69. | pitch indicator |
| 节距指示器 |
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| 70. | arrangement pitch |
| 排列间隔 |
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