Additional projects can include a performance upgrade to the product.
其他项目可以包括对这一产品的性能更新。
But the biggest reason to upgrade is probably increased performance.
不过升级的最大理由大概是性能的提升。
Signal system upgrade mine hoist control system is an important component performance of the system.
提升信号系统的改造是煤炭企业技术改造的一个重要组成部分。
Signal system upgrade mine hoist control system is an important component performance of the system.
提升信号系统的改造是煤炭企业技术改造的一个重要组成部分。
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