建筑物沉降观测中,承重墙可沿墙的长度每隔()m设置一个观测点。
A、4~8
B、6~10
C、8~12
D、10~l4
参考答案:C
爆炸材料库和爆炸材料发放硐室附近()m范围内,严禁爆破。
___________ with the size of the whole earth, the biggest ocean does not seem big at all.
A.Compare
B.Comparing
C.When compared
D.When comparing