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【单选题】
关于锚喷支护与传统支护，下列叙述错误的是（）A.
传统支护不能及时地向围岩提供径向抗力，围岩松动，形成松动围岩压力。
B.
锚喷支护由于喷混凝土渗入岩体裂隙，提高了岩体的粘聚内摩擦角，使破坏包络线下移。
C.
断面越大，岩体越软弱，薄的喷混凝土层不足以作为一种防护措施，就需要布置锚杆，甚至加钢拱架。
D.
连续喷射层对围岩作用有封护抗力，使围岩稳定。
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