浮球液位开关,DSF-202W,DSF-202O??DSF-202W(ForWater)DSF-202O(ForOil)????,???,????,??,????0.85~1.050.7~0.9??????0~50℃0~70℃????1c.AC250V10A????1c.AC250V5A????1c.AC250V1.5A?????????20Cm~10m?????1??)