常見例句雙語例句Another use of oxalic acid is in the final polishing of onyx, marble, and travertine .另一種使用的草酸,是在最后的拋光瑪瑙,大理石,和鈣華。A novel technology on direct preparation of nanometer chiolite from expired phosphoric acid-based polishing agent is investigated.研究由失效磷酸基拋光液直接制備納米錐冰晶石新工藝。www.jsks.net.cnHigh quality, good softness, water-resistance, acid-resistance. For polishing of ship, car, machine putty and finishing of precision instrument.犀利水砂紙,具有較好的柔軟性、耐水、耐酸、堿及各種溶劑,主要用于汽車、船體、機床膩子的打磨,精密儀器的拋光。 返回 acid polishing