7.8 Engineering geological assessment on surrounding rocks stability of aircushion surge chamber

7.8.1 The engineering geological assessment content and methodof the surrounding rocks stability with shotcrete anchorage support orconcrete lined aircushion surge chamber shall meet the requirement in7.7.2.7.8.2 The design air pressure of the aircushion ......（本文共 972 字 ）     [閱讀本文] >>