Commerical test indicating the polypropylene fibre concretes shotcrete layer has very high value and vast development foreground of application.
Commerical test indicating the polypropylene fibre concretes shotcrete layer has very high value and vast development foreground of application.
工业性试验表明，聚丙烯纤维混凝土喷层具有较高的推广应用价值。