热老化试验;
The effect of the sulfur variation on the thermal aging properties of NR tube was investigated by laboratory test.
进行了硫黄变量小配合试验,研究硫黄用量对NR内胎耐热老化性能的影响。
The effect of the sulfur variation on the thermal aging properties of NR tube was investigated by laboratory test.
进行了硫黄变量小配合试验,研究硫黄用量对NR内胎耐热老化性能的影响。
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