冶煉(初級(jí))單項(xiàng)選擇題每日一練(2020.03.12)

A.150°
B.250°
C.350°
D.450

A.純LPG
B.混合LPG
C.氧氣
D.柴油霧化氣

A.石油液化氣
B.焦炭
C.重油
D.樹(shù)木

A.2000
B.2500
C.3000
D.3500

A.11000
B.13000
C.15000
D.17000