公称通经DN数量n螺纹规格109060144M124121428159565144M1246214322010575144M1256216402511585144M12652165032140100184M16762186040150110...
呼吸系统疾病呼吸系统疾病名词解释名词解释1.1.医院获得性肺炎（医院获得性肺炎（hospitalacquiredpneumonia,HAPhospitalacquiredpneumonia...
