常見例句雙語例句The uses of barium sulphate precipitated, the specification of the original material, the principle of production, process control point, product quantity are introduced.介紹了硫酸鋇的用途、原材料槼格、生産原理、工業(yè)生産中主要工藝控制點、 産品質(zhì)量。 返回 barium sulphate precipitated