底部框墙砖房抗震设计 Machanization of Agriculture and Electrification
他说的的确不错，除了花园墙底部的裂缝外，我们再也没什么不方便的了。
He was certainly right; and beyond the cracking of the garden wall at the bottom, we have suffered no inconvenience.
这次，他的注意力集中在墙底部的一条陈旧的带有硬壳的管道，他抓住管道上的轮形阀门，很费力的将阀门扭开。
This time, he turns his attention to an old crusty pipe protruding from the bottom of the wall. He grabs the wheel valve on the pipe and turns it with some effort.
防渗墙出现裂缝开度小于0。 3cm时，对渗流场的影响不大，防渗墙下游心墙底部最大相对水头值仅为2。 02%；
The effect on seepage is small when the opening of cutoff wall crack is less than0.3cm themaximum relative water head at the bottom of lower core wall is only2.02%.
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