... 滑轮Pulleys 脚轮Caster Wheels 链轮Chain Wheels ...
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Caster wheels are made of superior polyurethane with strong abrasion resistance, various types such as flat bearing wheel and climbing wheel.
脚轮选用优质耐用的聚氨酯脚轮，耐磨性强，平地轴承轮，爬坡电梯轮，种类齐全。
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