提高煉鋼溫度可以促進(jìn)去硫過程的發(fā)展，主要是因?yàn)椋ǎ?/p>
A、去硫本身是個吸熱反應(yīng)
B、高溫能強(qiáng)化熔池沸騰，有利于擴(kuò)散過程
C、高溫能增中爐渣流動性，能加速反應(yīng)的渣化
A
暫無解析
It’snecessary______ustokeepourpetscleaneveryday.
Asthepressure____,theliquidrockisforcedupthroughchannelsintheresistantrocktotheearth’ssurface.
Nancywassurprisedthattheyhave（），Theyseemedtobeahappycouple.
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit___whenshewastryingtogotosleep.
U.S.News____________rankingsofcollegessince1983.Theyareaverypopularresourceforstudentslookingtoapplytouniversitycampus.
