有一架直升机，下面的绳索上吊着11人，其中10个是男的，1个是女的。
Eleven people were hanging on a rope under a helicopter, ten men and one woman.
有一个专门的系绳索器，让指导者牢牢的把绳子固定着。
A belay device fail - safe device which lets the instructor keep your rope tight.
绳索在排绳柱作用下，两个滑轮组绕柱子左、右灵活摆动，使绳索在卷绳轴形成有规则的排列。
Under arraying rope pillar function, two pieces of pulley block circles pillar to do left, right nimble swinging, which cause rope winds in regular arrangement.
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