{HEAD ~ The current value} for {TAIL ~ the normal gas composition} of laser gas 6 can be obtained as data corresponding to the arbitrary gas pressure from a data storage section 28 which stores the data table representing the relationship between the pressure of the laser gas and the current 
for
{ HEAD ~ The current value } for { TAIL ~ the normal gas composition } of laser gas 6 can be obtained as data corresponding to the arbitrary gas pressure from a data storage section 28 which stores the data table representing the relationship between the pressure of the laser gas and the current
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH