    
󡐢
믑
㛐
. 󡐢 

 󡐢 
ⓤ

䤢 

. 
엪
ꤪ

.
餬 줓 𤓥

󡐢 엤
󡐢
.
줢 

MTBE

.
                                                      
𤓑 
𤥓 MTBE


拉
.