Bayanin samfurin:

Drop ruwa bututun (band) kwarara gwajin dandamali ne gwaji kayan aiki na drop ruwa band kwarara matakin, kuma wani muhimmin taimako kayan aiki na drop ruwa band kayan aiki. Yana da gwaji na'urar bisa ga GBT19812.3-2008 bukatun ka'idodin gutsa ruwa bututun (band), don gwada gutsa ruwa bututun gutsa tafiya girman, tafiya daidaito. Matsin lamba mita: daidaito 0.4 mataki.