大多数的运动攀登上方都有个先锋撤退的确保站,确保站由两个耳片,可能还有一条连接绳或扁带所组成。
The vast majority of sports climbs have a 'lower off' point at the top, which may consist of two bolts and possibly a linking chain or sling.
自粘的塑料板、片、膜、箔、带、扁条及其他扁平形状材料,不论是否成卷。
Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in rolls.
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