金属弯曲试验结果评定:试验后检查试杆弯曲处的外面的侧面,在有关标准未进行具体规定的情况下,一般如无裂缝、裂断或起层,即为试样合格。
参考答案:对
Reportedly, yesterday a group of American soldiers were walking along the road in Iraq when a bomb was _______, three of whom were killed.
A.set off
B.set out
C.set up
D.set about
竖向设计标高确定的主要因素有( )。
A.考虑交通联系的可能性
B.减少土石方工程量
C.用地不被水淹,雨水能顺利排出
D.自然地形的坡度大小
E.考虑地下水位、地质条件影响