3738| 19
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三通換向閥 |
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點評
球閥是球面,,這個是圓柱面,,而且球閥是特制的密封圈
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點評
密封槽不是標(biāo)準(zhǔn)的圓形,不知道行不行
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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