词汇	parents open day
释义	parents open day 家长开放日
随便看	quick-release means quick release mechanism quick-release mechanism quick release mooring hook quick release nipple quick-release parachute quick release pin quick-release pin quick-release pitman quick-release plate quick-release prop quick release relay quick-release relay quick-release ring quick-releases quick release tourniquet quick release valve quick-release valve quick release valve spring seat quick-release valve spring seat quick releasing hook quick releasing relay quick-releasing relay quick releave valve Quick Relocate and Link