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91. | shaft generator |
| 轴传动发电机 |
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92. | cylindrical shaft |
| 圆柱形轴 |
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93. | serration shaft |
| 锯齿形花键轴 |
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94. | Back shaft |
| 支撑轴 |
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95. | underground shaft |
| 肓竖井 |
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96. | shaft enclosure |
| 竖井封闭空间 |
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97. | shaft penetration |
| 竖井穿孔 |
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98. | rectangular shaft |
| 长方形井筒 |
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99. | shaft deepening |
| 立井开凿 |
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100. | crank shaft |
| 脚蹬轴 |
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