Properties and quality of electric spark machining oils were presented, especially HS high-speed synthetic electric spark machining oils.
对电火花加工油性能、质量变化进行了介绍，尤其HS高速合成电火花加工油。
Properties and quality of electric spark machining oils were presented, especially HS high-speed synthetic electric spark machining oils.
对电火花加工油性能、质量变化进行了介绍，尤其HS高速合成电火花加工油。
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