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