常見(jiàn)例句雙語(yǔ)例句Internal and external high-precision grinder, production and design and manufacture a variety of standard mold;高精度內(nèi)外圓磨牀，生産和設(shè)計(jì)制造各種標(biāo)準(zhǔn)件模具； 返回 precision internal grinder