11 潛盾工法(shield tunneling method)適用在:
(A)軟弱地盤
(B)破碎帶岩盤
(C)堅硬岩盤
(D)適用在任意地盤
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統計: A(98), B(5), C(41), D(8), E(0) #1808700
統計: A(98), B(5), C(41), D(8), E(0) #1808700