单词	铁 ----陨铁
释义	(1)铁 (2)陨铁 (3)自然铁iron (Fe)
随便看	constant duties constant duty constant-- elastic constant; elastic constant elasticity alloy constant-elasticity demand curve constant-- electro-magnetic constant electron density surface constant element constant employment constant energy surface constant energy synchronous fluorescence spectrometry constant energy synchronous fluorimetry constant energy welding machine constant entropy constant entropy expansion constant entropy process constant-entropy process constant error constant excitation constant expansion alloy constant expense constant exposure constant expression constant extinction angle control