【简答题】混凝土的水灰比越大,水泥用量越多,则徐变越 收缩越 。
【单选题】混凝土的水灰比越大,水泥用量越多,则混凝土的徐变及收缩值将( )。
【判断题】汽车虽然只有一个方向的碰撞,但损伤却可能发生在两个方向上
【单选题】The steering oar in a lifeboat is().
A.
shorter than the others
B.
used for the stroke oar
C.
used by the forward man in the boat to direct the bow
D.
longer than the others and should be lashed to the stern
【单选题】混凝土的水灰比越大,水泥用量越多,则_____。
【单选题】The steering oar in a lifeboat is usually referred to as the _______.
【判断题】汽车虽然只有一个方向的碰撞,但损伤却可能发生在两个方向以上