Spread at least one coating on at least one surface of sandwich layer, contain the resin in the coating and the filler bead of 50% volume at least.
在芯层的至少一个表面上涂上至少一个涂层，涂层中含有树脂和至少50%体积的填料颗粒。
The influence of the dimension of hard bead filler on the static mechanical properties of tire was investigated by FEA.
采用有限元分析方法分析了硬三角胶尺寸对轮胎静态力学性能的影响。
The application of TBSI accelerator in upper bead filler and carcass compounds of BTR tire was investigated.
研究促进剂tbsi在全钢载重子午线轮胎上三角胶和胎体胶中的应用。
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