the switch valve set being made up of a control stick seat with a turning protruded block disposed at the upper section thereof, a support seat with {HEAD ~ a turning cut area} disposed beneath the control stick seat thereof, and {TAIL ~ a switch valve} disposed at the bottom thereof correspondingly matched to the valve mount thereof 
the switch valve set being made up of a control stick seat with a turning protruded block disposed at the upper section thereof , a support seat with { HEAD ~ a turning cut area } disposed beneath the control stick seat thereof , and { TAIL ~ a switch valve } disposed at the bottom thereof correspondingly matched to the valve mount thereof
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