旋喷桩承载力宜在成桩()后进行。
A.7d
B.14d
C.28d
D.42d
参考答案:C
There is a small group of English words which even some native speakers and writers find _____.
A.puzzled
B.to be puzzled
C.to puzzle
D.puzzling
下列关于防水涂料的说法错误的是()。
A.一般采用冷施工
B.本身具有粘结作用
C.维修简单
D.厚度均匀