Their Aw property added in water is investigated and the proportion for the compound phosphate ester is optimized by means of four - ball tester.

利用四球试验机考察了添加到水溶液中的抗磨性能，并优化了复合磷酸酯的配比。

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Their Aw property added in water is investigated and the proportion for the compound phosphate ester is optimized by means of four - ball tester.

利用四球试验机考察了添加到水溶液中的抗磨性能，并优化了复合磷酸酯的配比。

youdao