A.168.6 B.1686 C.132.6 D.1326
A.20~30% B.10~30% C.20~40% D.30~40%
A.煤 B.石油 C.天然氣 D.甲烷
A.加壓-常壓 B.加壓-加壓 C.加壓-減壓 D.常壓-減壓