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| 71. | drawing tension |
| 牵引张力 |
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| 72. | haulage efficiency |
| 牵引效率 |
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| 73. | compressive traction |
| 压缩牵引 |
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| 74. | industrial frequency traction |
| 工频牵引 |
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| 75. | draught resistance |
| 牵引阻力 |
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| 76. | draughting mechanism |
| 牵引机构 |
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| 77. | drawbar horsepower |
| 牵引马力 |
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| 78. | driving chain sprocket |
| 牵引链轮 |
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| 79. | elastic traction |
| 弹性牵引 |
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| 80. | Pull-and-out block |
| 牵引复滑车 |
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