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71. | roller hoop drum |
| 加强桶 |
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72. | stiffened expanded metal |
| 加强钢板网 |
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73. | reinforced insulation layer |
| 加强绝缘层 |
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74. | To strengthen. |
| 加强牢度。 |
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75. | reinforced tube |
| 加强导管 |
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76. | strengthen the weak links |
| 加强薄弱环节 |
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77. | reinforcing pigment |
| 加强颜料 |
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78. | cross member reinforcement |
| 横梁加强 |
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79. | strengthen harmony |
| 加强协调 |
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80. | booster inoculation |
| 加强接种 |
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