产品规格：WH、WF、WB、WN、VH、VF、VB、VN、L、M、S
Product Specifications: WH, WF, WB, WN, VH, VF, VB, VN, L, M, S
预期用途：用于吸氧时氧源与吸氧者之间的氧气直接输送或湿化后输送。
Intended Use: For direct or humidified delivery of oxygen from the oxygen source to the patient.
产品规格：WH、WF、WB、WN、VH、VF、VB、VN、L、M、S
Product Specifications: WH, WF, WB, WN, VH, VF, VB, VN, L, M, S
预期用途：用于吸氧时氧源与吸氧者之间的氧气直接输送或湿化后输送。
Intended Use: For direct or humidified delivery of oxygen from the oxygen source to the patient.
