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71. | asymmetrical surface ridge |
| 不对称表面皱纹 |
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72. | ribbed smoked sheet |
| 皱纹烟胶 |
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73. | wrinkle formation |
| 皱纹的形成 |
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74. | corrugated aluminium sheath |
| 皱纹铝护套 |
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75. | creped waterproof kraft paper |
| 皱纹防水牛皮纸 |
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76. | wrinkle lacquer |
| 皱纹清喷漆 |
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77. | crepe-weavelike wrinkle |
| 绉纱型皱纹 |
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78. | A wrinkle, ripple, or fold. |
| 皱纹,波状,褶痕 |
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79. | pleated-diaphragm loudspeaker |
| 皱纹膜片扬声器 |
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80. | corrugated mixing rolls |
| 皱纹混合磨 |
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