The contact tube and bracket with a piece of wood or soft metal plate pad.

管子与支架接触处用木块或软金属板垫好。

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A bracket of stone, wood, brick, or other building material, projecting from the face of a wall and generally used to support a cornice or an arch.

托臂，翅托从墙面上凸出，常用于支撑檐口或拱形物的一种石、木、砖或其他建筑材料制成的建筑部件。

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