A spacing piece is arranged at the portion close to the back of the installation rod, and the outer edge of the spacing piece leans against the chassis outside the through-hole.
在安装条上靠近后端的部位设置限位片，该限位片的外边缘倚靠在通孔外的底座上。
A spacing piece is arranged at the portion close to the back of the installation rod, and the outer edge of the spacing piece leans against the chassis outside the through-hole.
在安装条上靠近后端的部位设置限位片，该限位片的外边缘倚靠在通孔外的底座上。
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