Conclusion Applying three-way suction tube of ventilator to nebulise patient with artificial airway can achieve satisfactory effect in the nebulising process.
结论将呼吸机专用的吸痰三通管应用于人工气道患者的雾化吸入中，能达到雾化吸入治疗应有的效果。
2
The molding technology of three-way plastic tube with flexural core is analyzed and the molding faults in plastic injecting process are forecasted.
分析了带弯芯塑料三通管的注射成型工艺，并对成型过程出现的缺陷进行预测。
3
This paper introduces a brand-new three-way trachea tube reinforced by steel.