By the movement of the needle in up and down direction, {HEAD ~ the discharging hole} 144 formed on {TAIL ~ the needle sheet} 143 is opened or closed 
formed on
By the movement of the needle in up and down direction , { HEAD ~ the discharging hole } 144 formed on { TAIL ~ the needle sheet } 143 is opened or closed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH