They use mechanical stokers to feed coal into the furnace.

他们用自动加煤机给炉子添煤。

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Upper feed roller is driven simultaneously by the mechanical transmission mechanism.

采用机械结构传动，上滚轮可与机器同步运转。

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Upper feed roller is driven simultaneously by the mechanical transmission mechanism.

采用机械结构传动，上滚轮可与机器同步运转。

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