建设工程质量检测人员(见证取样)单项选择题每日一练(2019.04.17)

A.≤12%
B.≤10%
C.≤8%
D.≤7%

A.GB/T1592-2008
B.GB/T1591-2010
C.GB/T1591-2018
D.GB/T1593-2008

A.MPa
B.N/m
C.N/cm
D.N/mm

A.背衬
B.密实的纤维背衬
C.凸起
D.留边

A.10%
B.20%
C.30%
D.40%