• The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;

    基坑支护结构漏水空心膨胀螺栓封堵塞包括、空心螺栓、螺母密封软木塞,空心螺栓套在胀管内且其长 度大于胀管长度;

    youdao

  • The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;

    基坑支护结构漏水空心膨胀螺栓封堵塞包括、空心螺栓、螺母密封软木塞,空心螺栓套在胀管内且其长 度大于胀管长度;

    youdao

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