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小烘箱 热风循环烘箱系统改造。
Rebuild of the oven hot air cycle system;
youdao
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采用热风循环加热，烘箱加热均匀，温度全自动控制。
Oven is heated by hot blast air circularly and equably automatic control of temperature.
youdao
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采用热风循环加热，烘箱加热均匀，温度全自动控制。
Oven is heated by hot blast air circularly and equably automatic control of temperature.
youdao