接头螺栓扭距不足时不得低于规定值()N.m以上。
A、700
B、100
C、50
D、800
参考答案:B
Her best friend likes to do __ same things __she does.
A.the, with
B.the, as
C.a, to
D.a, as
某配对资料经秩和检验,得T=T+= 16.5,n=9,经查表得T0.1/2(9)=8~37, T0.05/2(9)=5~40,T0.01/2(9)=1~44,则下列结果正确的是
A.P<0.01
B.P=0.01
C.P<0.05
D.P>0.10
E.P=0.10