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| 41. | harbor research ship |
| 港湾调查船 |
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| 42. | harbor service charge |
| 港工捐 |
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| 43. | medium harbor tug |
| 中型港作拖船 |
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| 44. | harbor tugboat [YTB] |
| 港口拖船 |
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| 45. | port and harbor |
| 港口和海港 |
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| 46. | harbor portal crane |
| 港口门座起重机 |
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| 47. | harbor advisory radar |
| 港口咨询雷达 |
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| 48. | harbor storage system |
| 港口储存设施 |
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| 49. | harbor operational zone |
| 港口作业区 |
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| 50. | calm harbor area |
| 码头静水域 |
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