结果表明，采用普通硫化体系、半有效硫化体系的效果明显优于有效硫化体系及无硫黄硫化体系。
The results showed that the effectiveness of conventional curing system or semi efficient curing system was much higher than that of efficient curing system or non sulfur curing system.
研究了NR/BR为70/30（质量比）时普通、半有效和有效3种硫化体系共混物的拉伸疲劳寿命和力学性能。
The fatigue failure and mechanical properties of conventional, semi-efficient and efficient curing systems of NR/BR(70/30) blend were studied.
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