... 石网 stockwork lattice 石网 stone net 石瓮子石灰岩 Shihwengzu limestone ...
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net like stone soil 网状石质土
crushed stone pile-net structural foundation 碎石桩桩网结构地基
That's what our unemployment system should be -- not just a safety net, but a stepping stone to a new future.
WHITEHOUSE: President Obama on New Training for New Job Creation
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