A.5cm B.8cm C.10cm D.12cm
A.動(dòng)脈端→透析器→靜脈端B.動(dòng)脈端→靜脈端→透析器C.靜脈端→透析器→動(dòng)脈端D.透析器→動(dòng)脈端→靜脈端
A.3%B.4.%C.5%D.6%