发布时间:2025-01-18 09:47:27
一般是两个零件,一个零件装气管接头,另一个零件做吸盘,中间装O型圈,比如你这个零件。
吸盘很小比如就中间一个孔吸,那做成一个零件也行。
正规些的装修公司在装修前会将业主的门窗用印有公司名称的膜包起来
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