oxide cathode vacuum tube 氧化物阴极电子管
oxide coated cathode [物] 氧化物阴极
oxide cathode vacuumtube 氧化物阴极电子管
rare-earth oxide cathode 稀土氧化物阴极
reversible poisoning of oxide cathode 氧化物阴极可逆性中毒
lithium cobalt oxide cathode material 锂钴氧化物正极材料
barium-oxide-coated cathode 涂氧化钡阴极
rare-earth oxide-coated cathode 稀土金属氧化物阴极
barium oxide coated cathode 敷氧化钡阴极
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