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| 51. | bow transom plate |
| 船首封板 |
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| 52. | oval bow machine |
| 椭圆形连铸机 |
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| 53. | bow thrust propeller |
| 首部转向螺旋桨 |
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| 54. | bow-ramped lighter |
| 首开门驳 |
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| 55. | bow thrust tunnel |
| 船首侧推装置管隧 |
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| 56. | bow straightening roller |
| 整纬辊 |
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| 57. | bow propulsion machinery |
| 船首推进装置 |
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| 58. | bow-thruster tunnel |
| 首推力器管隧 |
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| 59. | bow type strander |
| 弓式绞线机 |
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| 60. | over hanging bow |
| 飞剪式船头 |
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