styrene butadiene rubber短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 丁苯橡胶,充油丁苯橡胶 Wear of silica filled tyre tread compounds made from natural rubber NR and styrene butadiene rubber SBR against various rocks at different normal loads and frictional work was investigated. 研究了不同法向负荷下轮胎彩色胎面胶在各种岩石路面上的磨耗。 彩色胎面胶是用 NR, SBR和白炭黑制作的。 cnki