活结[huó jié]
slipknot; bowknot; braiding knot; slipknot; a knot that can be undone by a pull
1. a slip knot：angry waves 怒涛 | a slip knot 活结 | laughing-stock 笑柄
2. reef knot：redwood 红杉 | reef knot 活结 | reel for hose 消防胶管卷筒
3. running loop：running line 接引绳 | running loop 活结 | running maintenance 运行维护