短語(yǔ)詞組短語(yǔ)hydrogen bell -type annealing furnace 高氫罩式退火爐bell -type annealing furnace with HPH 全氫罩式退火爐radiant -tube bell-type annealing furnace 輻射管加熱鐘罩式退火爐hph bell type annealing furnace 全氫罩式退火爐BELL TYPE SPHEROIDIZING ANNEALING FURNACE 鐘罩式退火爐;罩式退火bell type furnace annealing 罩式爐退火 返回 bell type annealing furnace