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衛(wèi)生管件SMS標(biāo)準(zhǔn)及DIN11851標(biāo)準(zhǔn),求 |
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點評
螺紋標(biāo)準(zhǔn)為DIN 405,刀具應(yīng)該有很多牌子,我們多使用山特維克。
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