据悉，该皮带由聚氨酯材料制成，嵌有碳绳以使其富有张力，价格高于金属车链，只能安装在经过改装的车架上。
The belts, made of polyurethane and shot through with carbon cords to give them tensile strength, are more expensive than chains and can be installed only on frames adapted to their use.
检查绳夹安装是否正确。
悬吊绳、拉力绳、安全绳、固定绳应该每周或每次使用前检查一次，规格(额定工作负荷)、磨损限度、损坏程度或安装。
Suspension lines, pull lines, backup lines and snub lines should be inspected weekly and before every job for specifications (job load ratings), wear limits, damage, or improper installation.
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