cad

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*qi04,砂夹淤泥
0,-.004,.05,.1,.15,.008,-.142                              
0,.1,.3,.5,.5,.25,-.25                                     
45,0.029289321,.229289321,.35355339,.35355339,.1,-.60710678
45,.35,.3,.35355339,.35355339,.1,-.60710678