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| 81. | electric/steam traction |
| 电力[蒸汽]牵引. |
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| 82. | traction modulus |
| 牵引模数|牵引力 |
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| 83. | trailing disk plough |
| 牵引式圆盘犁 |
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| 84. | downhole tractor tool |
| 井下牵引工具 |
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| 85. | train tonnage rating |
| 列车牵引定数 |
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| 86. | haulage tail rope |
| 牵引尾绳 |
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| 87. | train performance calculation |
| 列车牵引计算 |
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| 88. | skeletal traction |
| 骨骼牵引术 |
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| 89. | haulage rope guide wheel |
| 牵引索导轮 |
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| 90. | draw gear length |
| 牵引架长 |
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