ai测试
text: The Chengda 3 Axle Low Bed Semi Trailer delivers a 40T to 80T payload capacity on an ultra-low 850mm deck, built with Q345B steel beams and FUWA/BPW axle options. Designed for demanding construction and mining applications, this heavy-duty lowbed trailer ensures safe machinery transport from excavators to bulldozers across 30+ countries.
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