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其实他们没能铺平的原因就在这个limestone screening。沙子其实就是为了方便找平的用东西一划拉就平了,
lenovo2013
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但limestone screening里面有小碎石,划拉不开摊不平,除非再夯实,但那样还是不能保证全平。其实如果不是车道,只用HPB就足够,沙子都不用铺只用来填砖缝就可以了。用gravel加沙子不会比只用HPB耐用性好,反而费事。
(#11099719@0)
Last Updated: 2017-10-9
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请了一家国人的园艺公司做后园的Patio,做完后发现线缝根本不直,砖也有高高低低,还有靠房子的一处明显下洼,要求整改,他们来了二个工人,有忙了一天,还是砖高低不平,砖缝有大有小,我就纳闷砖咋就铺不直?线都不吊?
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