This invention relates to a filling method for the screw hole or other hole on the ceramic cover and base of electric devices.
本发明为一种用于电器瓷盖、瓷底座螺钉孔及其它填封孔的填封方法。
This invention relates to a filling method for the screw hole or other hole on the ceramic cover and base of electric devices.
本发明为一种用于电器瓷盖、瓷底座螺钉孔及其它填封孔的填封方法。
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