平纹威尔顿地毯

plain water

plain washer

Plain Questions 11, A Separate Treatise on the Five Viscera

plain steel

Plain Questions 33, Treatise Discussing Heat Disease

plain-coloured face cloth

Plain Questions 52, Treatise on Needling Contraindications

Plain Questions 22, Methods of Treating Visceral Qi4 in Accordance with the Seasons