12633| 9
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密封圈,,像氟橡膠,,硅橡膠,,丁氰橡膠的壓縮量是多少,?就是壓縮后是原來直徑的多少? |
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點(diǎn)評(píng)
GB 3452,樓主可以看看這個(gè)標(biāo)準(zhǔn),。
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