A.1/8~1/6 B.1/6~1/2 C.1/3~1/2 D.1/2~2/3
A.50mL B.80mL C.100mL D.150mL
A.礫石充填完井法 B.裸眼或割縫尾管完井法 C.預(yù)制封隔器尾管完井法 D.射孔完井法