velocity to prevent erosion防: provide against; defend agai ...冲: powerful; with vim and vigou ...流速: velocity of flow; strength; ...河岸防冲流: stream bank erosion control不冲流速: non-scouring velocity下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:防冲流速，即可在微信中查询翻译
