The flat face and the side face of the plastic hollow brick are provided with a sealing groove, a sealing strip and through holes; the plastic hollow brick can be formed once by pressing.
其构成是塑料空心砖的平面、侧面设有密封槽、密封条、通孔，一次压制成型。
The flat face and the side face of the plastic hollow brick are provided with a sealing groove, a sealing strip and through holes; the plastic hollow brick can be formed once by pressing.
其构成是塑料空心砖的平面、侧面设有密封槽、密封条、通孔，一次压制成型。
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