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        <div id="content-top1">Page 25 - 112摮詨僑摨?蝚砌?摮豢?摮豢?交???/div>
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    <pre style="white-space:pre-line"><code>?脣蝚除?勗拿摰??

??瘞批?鈭乾(Nitrous oxide)嚗???蝚除?瘞??
???怎??券???暻駁?
??瞈怎?孵? 曌餃
??蝺?絲

      Nitrous oxide(N2O,瘞批?鈭乾)摮詨??箔?瘞批?鈭乾?飢??瘞殷??典虜皞怠虜憯??箇
?脯?單除擃??潮?蝙?其??? O2 雿萇嚗??頨怎????⊥??瘛勗漲??銵獄??
???砍??冽????暻駁?隤???蝘?銵??亥??嗡?暻駁??乩蔥?剁???銋??具????勗拿??
      ?箇???詨?批頨恍獄??嚗?亦? 15 ??30 蝘?舐?派敹急?嚗蒂?舀?蝥?2 ??3
???飢??瘞格?雿輯?蝬剔?蝝?B12 ???誨雓????萇?憭勗瘣餅改??蔣?踵?蝬剔?蝝?B12 ???迤撣貊????賬?蝙?冽??Ｙ??急╰蟡???擃?霈??箇?獄?暻颯??韏啗楝??擃?摰?芸仃蝑??嚗??Ｙ?撌典之??銵?異銵??銝剜抒銵??銵撠??撠?嚗蒂?航?Ｙ?蝎曄??啣虜嚗????擛望?蝎曄??臭?蝑??怎?雿輻瘞批?鈭乾????????70%-80%?飢瘞??雿?銝?撠僑?雿輻瘞扳除嚗虜??蝎暹??嗡??亦雿萇嚗捆??
銝剜??梢嚗????湧?頨怠??瑕拿??
                                                                     鞈?靘?:?箏?撣??摰喲?嗡葉敹?
                                                                              23</code></pre>
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