4）检验、补焊：借助仪表检测组件是否焊接完好，可通过热风枪进行补焊。 6.通孔安装（THT）：对晶体管，轴向引线元件，单、双列直插IC，轴向引线元器件编带进行通孔安装。 7.
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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.
每个滑动安装一块半圆形凹槽面向通孔。
Each sliding piece is installed with semicircular grooves facing to the through hole.
铆钉可将夹层板的层间夹固贴合，铆钉轴向所设通孔可供安装本装饰板时穿钉。
A through hole which is arranged on the rivet in a shaft direction can be used for threading a nail when the membrane sandwich riveted board for decoration is installed.
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