The building product may be a concrete roof tile formed by a roller and slipper extrusion method, a clay tile made by pressing in a clay tile press, or a cast concrete roof tile.
该建筑制品可以是由轧辊和滑块挤压法形成的混凝土屋面瓦，在泥质瓦挤压机中挤压制成的泥质瓦，或者浇铸而成的混凝土屋面瓦。
The building product may be a concrete roof tile formed by a roller and slipper extrusion method, a clay tile made by pressing in a clay tile press, or a cast concrete roof tile.
该建筑制品可以是由轧辊和滑块挤压法形成的混凝土屋面瓦，在泥质瓦挤压机中挤压制成的泥质瓦，或者浇铸而成的混凝土屋面瓦。
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