Compressed wood up to medium - hard wood, aluminum, synthetic and plastic boards.

压结至中等硬度的木材 、 铝 、 人造板材和塑料板.

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Suitable for medium hard formation.

适应于中等硬度地层.

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Suitable for soft to medium hard Non - abrasive formation.

适应于软到中硬 非 研磨性地层.

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Medium hard and soft rubber roller, the fabric without wrinkles, wrinkle produce death.

橡胶辊软硬适中, 织物无折皱 、 死皱产生.

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Soft water, or no higher than medium - hard water, is best for this biotope.

软水或不高于中等硬度的水是最适合生态鱼缸的.

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