7.擋土工法,正常情況下水密性最高為:
(A)鋼軌樁
(B)水泥砂漿樁
(C)鋼板樁
(D)連續壁
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統計: A(0), B(0), C(1), D(0), E(0) #3903692
統計: A(0), B(0), C(1), D(0), E(0) #3903692