A.30m;50m;100m-200m B.50m;30m;100m-200m C.50m;50m;50m-100m D.50m;50m;100m-200m
A.100m-200m;200m-300m;200m-300m B.200m-300m;100m-200m;200m-300m C.200m-300m;200m-300m;200m-300m D.200m-300m;200m-300m;100m-200m
A.棄井;棄井 B.棄井;封井 C.封井;棄井 D.封井;封井