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O型圈密封 |
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點(diǎn)評(píng)
標(biāo)準(zhǔn)都給你定好了,照著抄就行
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點(diǎn)評(píng)
2007版本這個(gè)標(biāo)準(zhǔn)是現(xiàn)行標(biāo)準(zhǔn)
2007版本確實(shí)是這樣的,針對(duì)真空環(huán)境,槽寬和0型圈的直徑幾乎一樣,這個(gè)是特例嗎?還是標(biāo)準(zhǔn)有問題?大家可以持續(xù)跟蹤一下
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