[单选题]

把钢中横波折射角为50°的斜探头移至横波声速为2.17x103m/s的材料上,则折射角约为()

A.53°

B.35°

C.31°

D.47°

参考答案与解析:

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把钢中横波折射角为50°的斜探头移至横波声速为2.17x103m/s的材料上,则折射角约为()