反应气体-活性气体  RDS; reactive cathode

多元可燃性混合气体  poly-ingredient flammable mixed gases

酸性混合气体  acidic gas mixture

二元气体混合气  binary gas mixture

甲烷－空气混合气体  methane-air mixtures

痕量活性气体  trace reactive gases

活性混合材  active admixture

活性气体  reactive gas; active gas

活性气体保护电弧焊  metal-active gas arc welding; metal active-gas welding[LM

活性气体等离子体  reactive gas plasma

金属熔化极活性气体保护焊电弧  metal active gas arc

卤素气体活性  halogen gas activity

双丝脉冲熔化极活性气体保护焊  double-wire pulse metal active gas welding

完全混合活性污泥法  complete mixing activated sludge process

惰性气体气垫  inert gas pad

恶性混合性瘤  malignant mixed tumor

子宫恶性混合性中胚叶肿瘤  uterine malignant mixed mesodermal tumor

Ar+CO2混合气体  Ar+CO2 mix-gas

c-C4F8和CF4混合气体  c-C4F8 and CF4 hybrid gas