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A new automatic igniter and flame detector have been developed to insure the production salty.
研制成合适的自动点火装置和火焰监测器,保证了安全生产。
youdao
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A new automatic igniter and flame detector have been developed to insure the production salty.
研制成合适的自动点火装置和火焰监测器,保证了安全生产。
youdao