砌石坝是由当地土料、石料或土石混合料填筑而成的坝,也称当地材料坝。()
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The professor wants to ask Clare about her experience and ______.
温度荷载是指拱坝形成整体后,坝体温度相对于封拱温度的变化值。()
土石坝要求基岩完整,坚硬,质地均匀,有足够的强度,透水性小,耐风化,没有大的断裂构造和软弱夹层等。()
How many other UK universities have libraries open 24 hours?