A.0.2~0.5mm B.0.5~1mm C.1~1.2mm D.1.2~1.8mm
A.5mL/h,3mL/h B.10mL/h,5mL/h C.15mL/h,10mL/h D.20mL/h,10mL/h
A.半年 B.一年 C.一年半 D.兩年