发布时间:2025-01-30 02:46:07
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。
具体情况是我交了几百定金 也签了装修合同包括合同装修图造价明细表 基装回头我又去问了一
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