发布时间:2025-01-20 05:52:15
找卖砖的呀,找铺砖的没什么用呀,裂缝也有几个原因,当初装修的时候砖吸水不多,因为水泥要吸水,而砖也是要吸水的,如果地砖吸水不够就会吸了水泥的水,水不够就会起裂缝了,还有一个原因是砖的质量太次了,你去找卖砖的找他要质量报告,再作处理吧
m126h螺纹塞规用三针法测量中经三针直径1008千分尺应得数值为12372那么公差是多少啊
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