A.0.7~1.0m B.0.5~0.8m C.1.0~1.2m D.0.8~1.6m
A.0.7~1.0m B.0.5~0.8m C.1.0~1.2m D.0.3~0.5m
A.電滲井點 B.噴射井點 C.深井井點 D.管井井點