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是不是這樣? |
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點(diǎn)評(píng)
市場(chǎng)上有大量的老標(biāo)準(zhǔn)規(guī)格有2個(gè)原因,,一是沒(méi)有及時(shí)更新,,宣貫和傳播慢;二是已經(jīng)在用的機(jī)器上都是用的以前的標(biāo)準(zhǔn),,必須有個(gè)時(shí)間才會(huì)隨著機(jī)器的報(bào)廢才能不用,。所以新標(biāo)準(zhǔn)升級(jí)要考慮周全
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