Finnigan MAT 252 gas mass spectrometer  MAT-252气体同位素质谱计

Gas Mass Spectrometer  气体质谱计; 气体质谱分析仪

Miniature Gas Mass Spectrometer  小型气体质谱仪

activating tungsten inert-gas welding  活性TIG焊; A-TIG焊

activating tungsten inert-gas welding with direct current straight polarity mode  直流正接A-TIG焊

Activating-tungsten inert-gas welding  钛合金

active-tungsten inert-gas welding  活性剂钨极氩弧焊

alterative current tungsten inert gas welding  交流钨极惰性气体保护电弧焊接

alternating current activating tungsten inert-gas welding  交流ATIG焊

alternating current activating-tungsten inert-gas welding  交流A-TIG焊

alternative tunsten inert-gas arc  交流TIG电弧

approval of inert gas system temporarily suspended  惰性气体临时停用批准

automatic tungsten inert gas welding  自动钨极氩弧焊

automatic tungsten inert-gas welding machine  自动焊机

blanketed with inert gas  惰性气体围包

blanketing with inert gas  用惰性气体保护

cold body tungsten inert-gas surfacing  冷体TIG堆焊

combustor of inert gas generator  燃惰气燃烧室

Consumable Electrode Inert-Gas Arc Welding  熔化极气体保护焊接