| 释义 | 
             
                nitrogen bule
                
            nitrogenousadj. 氮的,含氮的trinitrotoluenen. 强烈炸药urogenitaladj. 泌尿生殖器的progenitorn. 祖先 先驱,前辈 原本,正本nitroglycerinn. 硝化甘油,炸药impregnabilityn. 攻不破,不受影响
 氮气dàn qì 
 nitrogen氨基氮ān jī dàn 
 amino nitrogen; ammonia nitrogen氮dàn 
 azote; nitrogen固氮gù dàn 
 nitrogen fixation铵态氮ǎn tài dàn 
 ammonium nitrogen氮平衡dàn píng héng 
 nitrogen balance固氮作用gù dàn zuò yòng 
 nitrogen fixation氮化处理dàn huà chù lǐ 
 nitriding; nitrogen treatment氮测定器dàn cè dìng qì 
 apparatus for nitrogen examination; nitrometer
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