砾石河床 meaning in English
gravel bed
Examples
- Liquid flow measurement in open channels . sampling and analysis of gravel - bed material
明渠液体流量的测量.砾石河床材料分析和取样 - Measurement of liquid flow in open channels - sediment transport - sampling and analysis of gravel bed material
明渠流量测量.第10部分:沉积物夹带.第10e节:砾石河床材料取样和分析