n.火箱；燃燒室；火警匣
Make room for some sort of a firebox or burner. 給燃燒室或者燃燒器留些空間。
Before the LNG comes into the auto-mobile firebox, it needs to be returned to normal temperature. 在液化天然氣在進(jìn)入燃燒室燃燒之前需恢復(fù)到常溫，因而釋放出大量的冷能。
