词汇	bog road
释义	bog road 采空区内平巷
随便看	difference equation with damped term difference equation with damping difference equation with variable coefficients difference error difference estimate difference estimation difference estimator difference evaluation difference event difference evolution difference expansion difference expression difference expressions difference factor difference factorization method difference family difference in colo difference in colour difference in colo u r difference feature difference feedback capacitance difference feminism difference filter difference, finite difference difference fluid-Bed