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 上述凿是指混凝土强度在C30-C40之间的考值，其混凝土强度和凿锐程度的不同，凿效率会有一定区别。