cross section of a stream是什么意思

中文翻译河料面

网络释义

1)cross section of a stream,河料面2)cross section of river channel,河料面3)Bayanghe stock yard,八洋河料场

Study on wide space pre-splitting blasting in Bayanghe stock yard;

八洋河料场宽孔距预裂爆破研究