固结灌浆应在该部位的回填灌浆结束()d后进行。
A.3;
B.7;
C.14;
D.28。
参考答案:B
Could it be in the restaurant in ________ you had dinner with me yesterday ________ you left behind your keys and wallet?
A.which; which
B.which; that
C.that; where
D.where; that
下列日常生活中的变化现象,属于缓慢氧化的是( )
A.木炭燃烧
B.白炽灯泡通电发光发热
C.铜制品在潮湿环境里生成“铜绿”
D.水受热逐渐蒸发