单项选择题
A.注射器注入不困难 B.稀薄 C.粘稠 D.鼻饲液浓粘 E.鼻饲液越稀越好
A.5~10ml B.20~50ml C.60~80ml D.10~15ml E.100ml
A.20ml B.50ml C.80ml D.10ml E.40ml
A.60° B.90° C.30°~45° D.70° E.20°
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