13. 若已知里程209K+970之高程為10.752m,且此路段以+0.8‰升至里程210K+140,則210K+030之高程為:
(A)10.800m
(B)10.888m
(C)11.232m
(D)12.112m
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統計: A(1), B(0), C(0), D(0), E(0) #3823743
統計: A(1), B(0), C(0), D(0), E(0) #3823743