强夯地基法对于条形基础,夯击点一般为梅花形或正方形网格排列。( )
参考答案:错
It' s a pity that there are many teenagers _____only on-line activity is chatting with their e -pals !
A.who
B.that
C.which
D.whose
CRH308A统型动车组数据记录集无线传输装置(DRWTD)车载信息是如何采集的?