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单词
viscosity index improver, V.I. improver
释义
viscosity index improver, V.I. improver
黏度指数改进剂; 加入润滑油中以减少其黏度随温度的变化,从而增大黏度指数的添加剂。
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更新时间:2026/6/4 22:19:05