| 摘要 |
metal working. SUBSTANCE: fluid contains, %: polyethylene glycol, 3.5-8; product of thermal polymerization of triethanolamine, boric acid, monoethanolamine, and maleic acid at ratio (25-35):(7-9):(2-5):(2-4), 36-58; and water, the balance. EFFECT: improved cutting ability of tool, diminished its wear and roughness of treated surface. 2 tbl
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