Disclosed is a YXF constant temperature infusion apparatus which is a novel medical care device for solving the difficult problem of the infusion of the low temperature liquid.

YXF恒温输液器，是一种新型的医疗器件，用于解决临床低温液体输注的难题。

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By analyzing the status in quo about boiling liquid expanding vapor expansion (BLEVE), several problems in deep need of solving are brought forward.

本文通过对蒸气爆炸研究现状的分析，提出了几个蒸气爆炸研究中亟需解决的问题并阐述了它们的研究意义。

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The economic results changing the head queen and outstanding problem and way solving in electricity liquid hammer reform process has been introduced mainly.

主要介绍了电液锤换头改造模锻锤和空气锤过程中遇到的突出问题及解决的办法。

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