• 下沿线面的距离小减少的穿从而节约能源改善环境

    The distance from foot line to sidewall roof is short , can reduce furnace end fire and dust , save energy and improve environment;

    youdao

  • 下沿线面的距离小减少的穿从而节约能源改善环境

    The distance from foot line to sidewall roof is short , can reduce furnace end fire and dust , save energy and improve environment;

    youdao

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