当浅滩掉进水中深穴或在溢洪道和闸门之出水口,这种技巧特别有效。
This technique is particularly effective where a riffle drops into a pool or at the dis-charge of a spillway or penstock.
当浅滩掉进水中深穴或在溢洪道和闸门之出水口,这种技巧特别有效。
This technique is particularly effective where a riffle drops into a pool or at the dis-charge of a spillway or penstock.
应用推荐