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71. | grooved taper pin |
| 有槽锥形销 |
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72. | inside taper gauge |
| 内锥度量规 |
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73. | crosshead taper sleeve |
| 十字头锥套 |
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74. | circular waveguide taper |
| 圆波导过渡器 |
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75. | taper charge vibrator |
| 减充振动子 |
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76. | plain taper attachment |
| 普通锥形附件 |
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77. | hand taper reamer |
| 锥形手铰刀 |
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78. | spiral taper gear |
| 螺旋锥齿轮 |
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79. | mica taper ring |
| 锥形云母环 |
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80. | taper female threads |
| 锥形阴螺纹 |
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