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锅台水泥砂浆抹灰往往烧火不几天便出现裂缝。裂缝首先从灶口、喉脖等抹灰面窄小、加热量较高处出现。这是因为砂浆中的砂子加热到一定温度之后,体积要膨胀;温
Pot-cement mortar mortar is often fired for cracks within a few days. The cracks first appeared from the narrow area of the plaster surface such as the stove mouth and throat neck, and the heating amount was high. This is because after the sand in the mortar is heated to a certain temperature, the volume has to expand;