Material factors include mechanical equipment, materials and other materials, which are the material conditions of project construction and the basic guarantee of project quality. If the material is not up to standard,
Material factors, including machinery and equipment, materials and other materials, are the basic guarantee of material conditions and engineering quality of engineering construction. If the material is not qualified,
Material factors include mechanical equipment, materials and other materials, which are the basic guarantee of material conditions and engineering quality of engineering construction. If the material is not qualified,