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 or resistant难治refractory lining brick耐火衬砖Refractory Intrahepatic难取性结石refractory hypertension难治性高血压refractory raw material耐火原料refractory casting tube耐热铸管Refractory singultation顽固性呃逆refractory-lined oven耐火炉refractorylined chamber衬有耐火材料的加热室refractory frame member耐火构件