The test results showed that the optimized compound featured stable processibility and lower cost, and the quality of finished inner tube met the requirements of relative national standard.
试验表明，试验配方胶料工艺性能稳定，相应成品内胎各项性能均达到或超过国家标准要求，配方成本降低，具有显著的经济效益。
The test results showed that the optimized compound featured stable processibility and lower cost, and the quality of finished inner tube met the requirements of relative national standard.
试验表明，试验配方胶料工艺性能稳定，相应成品内胎各项性能均达到或超过国家标准要求，配方成本降低，具有显著的经济效益。
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