The above-mentioned scabbling capabilityis is refers to C30-C40 concrete for your reference.Because this type of concete and scabbler-head edge are different,efficiency for work is different.
备 注/Remark 上述凿毛能力凝土强度在C30-C40之间的参考值,其凝土强度和凿毛机头锋锐度的不同,凿毛效率会有一定区别。