The tests and methods of double-K fracture parameters for high strength concrete were studied by use of the splitting wedge samples.
采用楔入劈拉试样研究高强混凝土的双K断裂参数测试和计算方法。
2
Roller bearings of cross wedge mill are double-rows taper roller bearings and one of the important parts on mill. It directly bears rolling force when mill works.