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81. | draw-bar cradle |
| 牵引杆托架 |
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82. | haulage rope guide wheel |
| 牵引索导轮 |
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83. | haulage tail rope |
| 牵引尾绳 |
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84. | diameter of traction-roller |
| 牵引辊直径 |
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85. | electric/steam traction |
| 电力[蒸汽]牵引. |
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86. | draw gear length |
| 牵引架长 |
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87. | skeletal traction |
| 骨骼牵引术 |
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88. | draw-bar length |
| 牵引杆长 |
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89. | downhole tractor tool |
| 井下牵引工具 |
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90. | coefficient of tractive resistance |
| 牵引阻力系数 |
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