AW——ARC WELDING——電弧焊 *{ =5AW}o  
dBB;dN  
AHW——atomic hydrogen welding——原子氫焊 l'pu?TP{a  
%Ydzzr3  
BMAW——bare metal arc welding——無保護(hù)金屬絲電弧焊 QNGICG-  
-zzM!1@F  
CAW——carbon arc welding——碳弧焊 =p1aF/1$I  
# 1S*}Q<k  
CAW-G——gas carbon arc welding——氣保護(hù)碳弧焊 c*5y8k  
8 |@WuD  
CAW-S——shielded carbon arc welding——有保護(hù)碳弧焊 ,>: