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| 61. | increasing pitch |
| 递增螺距 |
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| 62. | pitch discrimination |
| 音高辨别 |
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| 63. | Scan pitch |
| 扫查间距 |
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| 64. | propeller pitch |
| 桨距 |
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| 65. | variation pitch |
| 调螺距 |
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| 66. | electrode pitch |
| 电极用沥青 |
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| 67. | diametral pitch |
| 径节 |
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| 68. | controllable pitch |
| 活螺距|可调螺距 |
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| 69. | equipotential pitch |
| 等位距 |
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| 70. | ordinary pitch ( |
| 其值为 |
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