blowpipe

• Manual blowpipes for welding , cutting and heating - specifications and tests iso 5172 : 1995 , including amendment 1 : 1995 ; german version en iso 5172 : 1996
  焊接,切割和加热用手动焊枪.规范和试验
• The flame of the blowpipe , heated to a temperature of 2050 c , transforms the alumina into stone with the addition of oxygen and hydrogen
  用吹氧管喷出的高达摄氏2 , 050度的火焰，将铝氧粉烧结成含氧和氢的人造石。