品种更新换代
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Variety renewal and replacement
以上为机器翻译结果，长、整句建议使用 人工翻译 。
经过多年的不断研发，现已更新换代，产品更精湛、配置更合理、品种更齐全。
After several years of R&D, the upgraded new generation products are more polish, the configuration are more logical and the varieties are growing in all-sided.
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