发布时间:2025-01-18 09:08:18
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。
我在杭州余杭要到富阳考驾照科目二教练说提前两天去到那边住哪里
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