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81. | cruciform bracing |
| 框架横梁 |
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82. | cross member reinforcement |
| 横梁加强 |
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83. | crossbearer cover plate |
| 横梁盖板 |
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84. | hull cross member |
| 车座横梁 |
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85. | derrick floor sil |
| 钻台横梁 |
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86. | CROSSMEMBER ASSEMBLY |
| 横梁组合 |
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87. | housing separator |
| 机架横梁 |
|
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88. | cruciform girder |
| 十字横梁 |
|
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89. | guard frame rail |
| 货架横梁 |
|
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90. | cantilever diaphragm |
| 横梁腹板 |
|
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