... tubular pole 管桩 tubular pore 管状孔隙 tubular radiator 管式散热器 ...
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Tubular pore system 孔沟体系
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The relay chamber and the reserved pore canals are closed by concrete after the tubular pile reaches the bottom and the relay jacks are taken out.
中继间和预留孔道在管桩到底取出中继千斤顶后由混凝土封闭。
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