Chassis of dump semi-trailer is beam-passing structure and longitudinal beam adopts flfor type or goose-neck type.

自卸半挂车车架均为穿梁式结构，纵梁采用平直式或鹅颈式。

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The text summarizes the design scheme, key technique and solving way of ZZ6147M4661 type high grade coach chassis.

总结ZZ6147 M4661型高档客车底盘的设计方案及关键技术解决途径。

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Chassis of dump semi-trailer is beam-passing structure and longitudinal beam adopts flat type or goose-neck type.

自卸半挂车车架均为穿梁式结构，纵梁采用平直式或鹅颈式。

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This means a body-on-frame type of construction in which the shell is bolted onto to a separate chassis.

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