本发明涉及商用汽车的前横梁。
The invention relates to a front cross-member of a commercial vehicle.
介绍了前横梁管材缩口机的原理及结构。
It has been introduced the principle and structure of necking machine for the front cross member pipe.
商用汽车的车架，包括用于连接两个纵梁(3)的前横梁(2)。
A frame of the commercial vehicle comprises a front cross-member (2) for the connection of two longitudinal-members (3).
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