《绳环》曾获奥索卡最佳影片(歌舞/喜剧类) 奖 《绳环》曾获奥斯卡最佳改编剧本奖
通过与现有楔形绳环的比较，介绍了新型楔形绳环在加工及现场使用的优点。
Through the comparison with wedge rope-ring in present, this paper introduces the advantage of new type wedge rope-ring when its machined in shop or used in site.
只有绳子没有安全吊带一点用也没有；另你还需要快扣，绳圈，勾环和岩盔。
A rope is no use without a harness. You need quickdraws and slings, carabiners and a helmet.
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