It is butt jointed to allow the timber to move and natural cracks and undulations to appear across the boards.

在其接缝处，允许木材移动，也允许木板上出现自然的裂缝和波动。

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It is butt jointed to allow the timber to move and natural cracks and undulations to appear across the boards.

在其接缝处，允许木材移动，也允许木板上出现自然的裂缝和波动。

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