I have started the first forced draft fan. What shall we do next?
我已起动了第一台送风机，下一步我们该干什么呢？
This increases the initial primary air fan size and reduces the forced draft fan sizes.
这会增加一次风机的尺寸而减小从动风扇的尺寸。
This increases the initial primary air fan size and reduces the forced draft fan sizes.
这会增加一次风机的尺寸而减小从动风扇的尺寸。
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