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71. | barrier coating |
| 屏蔽涂料 |
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72. | sterility barrier |
| 不育性障碍 |
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73. | subsurface barrier |
| 地下遮挡;地下不渗透层 |
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74. | barrier packing |
| 阻隔性的包装|不透气薄膜包装 |
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75. | inversion barrier |
| 反演势垒 |
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76. | barrier breaker |
| 障碍突破舰船|破雷舰 |
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77. | intrinsic barrier |
| 内禀能垒 |
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78. | barrier package |
| 阻隔包装|防潮包装|防气包装|防光包装 |
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79. | impermeable barrier |
| 不可渗透层;不渗水层;不渗透遮挡层;不透层;不透水隔层 |
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80. | biogeochemical barrier |
| 生物地球化学障 |
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