Common troubles of type D300-42 gas blower are discussed.

论述了D300 - 42型煤气鼓风机常见的故障。

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Common troubles of type D300-42 gas blower are discussed. Analysis method of typical trouble reason is put forward. Good effect is obtained after improvement.

论述了D300 - 42型煤气鼓风机常见的故障。提出了典型故障原因的分析方法。经改进后取得良好的效果。

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Soon after the Ad for Nikon went out (see the post below), Huahua was contracted for another Nikon project, this time, the Nikon D300 (the trusty camera that we use to take photos.)

花花的尼康广告发布没多久，花花又被请去给尼康的D300相机(我们用的这款)作广告。

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