expansion -coefficient of thermal expansion
Are welding maehine∥11 International Welding Fair in Essen
电弧焊机∥11届埃森国际焊接博览会
同位素稀释质谱法
同位素稀释质谱法(IDMS)
TIG-Laser welding hybrid welding
(The equation is abbreviated) expansion method
3-D thermal expansion coefficient
accelerated expansion of the universe
Address Expansion Scheme
adiabatic expansion cooling
adiabatic free expansion