refractory gun喷浆枪refractoryadj.不听话的；执拗的；难治疗的；免疫的；耐火的n.倔强的人；耐火材料refractory-lined runner流钢砖槽Refractory molybdenum ore难选钼矿refractory concrete block耐火混凝土砌块refractory material baking烘炉refractory fire clay block耐火粘土砌块Refractory lead-zinc ore难选铅锌矿石refractory patching cement填补用耐火水泥Refractory Angina Pectoris顽固性心绞痛refractory clay refractory耐火泥refractory ramming mixture耐火的捣固材料