短语词组短語burner radiation head piece 燃燒器輻射帽fuel burner head 燃料噴咀頭;燃料噴嘴頭burner head cracking 燃燒室頭部裂紋burner head burning 燃燒室頭部燒傷fuel head oil burner 燃料油燃燒器 返回 burner head