A.火工校正 B.裝配 C.焊接
A.前掃氣、點火、燃燒、正常熄火 B.前掃氣、點火、燃燒、正常熄火和后掃氣 C.點火、燃燒、正常熄火和后掃氣
A.1110011 B.1100011 C.1011001