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凸轮扣（Cam Buckle）适合捆绑≤150kg的轻中量物品，操作快但会随震动松弛；棘轮扣（Ratchet）通过棘齿逐级锁紧，承重可达500kg以上且长途不松，适合摩旅、货运硬捆绑

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Unverified凸轮扣（cam buckle）设计无棘轮机构，仅靠凸轮咬合固定，额定载荷（LC 250kg）远低于同宽度棘轮式捆绑带，不适合重载货物固定或长途公路运输等需要高预紧力的场景85% similar Unverified棘轮式紧固相比普通cam buckle（凸轮扣）能提供更大且更稳定的预紧力，适合车顶行李固定等需要持续张紧的场景83% similar

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