4547测得某水泥28天龄期的抗压强度分别为:43.0MPa,42.0MPa,40.8MPa,43.0MPa,40.0MPa,41.4 MPa,其抗压6734
测得某水泥28天龄期的抗压强度分别为:43.0MPa,42.0MPa,40.8MPa,43.0MPa,40.0MPa,41.4 MPa,其抗压强度取定值是()。 A.41.4 B.41.7 C.41.8 D.42.0 请帮忙给出正确答案和分析,谢谢!
测得某水泥28天龄期的抗压强度分别为:43.0MPa,42.0MPa,40.8MPa,43.0MPa,40.0MPa,41.4 MPa,其抗压强度取定值是()。 A.41.4 B.41.7 C.41.8 D.42.0 请帮忙给出正确答案和分析,谢谢!