英语语法分析

The impacts of transverse and longitudinal shrinkage of welding seam on underframe positioning.

以及焊缝横向、纵向收缩对底架定位的影响。

In addition, the external size and the weight of the underframe are effectively reduced to further facilitate transportation and installation of a whole machine.

此外，本发明有效减小了底架的外形尺寸和重量，进而方便整机转场及安装。

The peeler for eliminating the polyethylene pipe oxidizing layer comprises a knife tool, which is characterized in that the peeler also comprises an underframe and a fixed bracket;

该聚 乙烯管氧化皮刮削器，包括刀具；其特征在于，还包括底架、固定架；