A.極小容積、小容積、中大容積氣瓶 B.小容積、中容積、大容積氣瓶 C.小容積、中小容積、大容積氣瓶 D.小容積、中容積、大容積、超大容積氣瓶
A.0.05%~0.1% B.0.1%~0.5% C.0.5%~1.0% D.1.0%~1.5%
A.8 B.10 C.12 D.15