SFDL型(xing)手(shou)(shou)動(dong)濾(lv)(lv)水(shui)器(qi)其過濾(lv)(lv)機(ji)理和工(gong)(gong)作(zuo)原理與DFLS型(xing)自動(dong)濾(lv)(lv)水(shui)器(qi)完全相同,只(zhi)是(shi)(shi)其排(pai)污過程是(shi)(shi)由人工(gong)(gong)期手(shou)(shou)動(dong)操作(zuo)完成。當濾(lv)(lv)水(shui)器(qi)需要排(pai)…
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