河道变化 meaning in English
channel change
Examples
- Answer : according to ranking regulation , to the disease of bridge sui , wadi foundation of stage of change , mound erodes adjustable adjuster undertakes circumstance and rail fixed observation , fill in " adjustable adjuster observation records rail book "
答：按照上级规定，对桥隧的病害、河道变化、墩台基础冲刷情况及钢轨伸缩调节器进行定期观测，填写《钢轨伸缩调节器观测记录簿》 。