成品试验证明，优化设计轮胎的耐久性能和高速性能明显提高。
It was confirmed by the test of finished tire that the endurance and speed performance of optimized tire improved significantly.
就活性氧化锌的效用在内胎胶中进行了小配合和车间大料及成品试验。
An evaluation was made on the effectiveness of active zinc oxide in tire tube compound by laboratory compounding, workshop compounding, and finished product tests.
所有产品都可能只是一个试验品的世界，也就是没有产品必须是成品的世界。
A world in which anything can be a beta is a world in which no product must be complete.
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