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研制了一种多效透明磨削液，它具有良好的润滑、清洗、冷却和防锈性能，且不含亚硝酸盐及甲醛等有毒物质．
Developed a multi-effect transparent grinding fluid, which has good lubrication, cleaning, cooling and anti-rust properties, and does not contain nitrite and formaldehyde and other toxic substances.