西安从事非咨询业的人数占就业总人数的()
A.35.5
B.36.5%
C.65.5
D.64.5%
参考答案:D
钻井液密度计的测量范围为(),精确度为()。
A、0.95~2.00g/cm3,±0.01g/cm3
B、0.98~1.50g/cm3,±0.01g/cm3
C、0.90~1.00g/cm3,±0.02g/cm3
D、0.96~1.80g/cm3,±0.01g/cm3