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短语

active material

化学 materia activa
地质学 material radioactivo
技术 material activo; material fisionable
 英语 词库
active material
军队 Material, such as plutonium and certain isotopes of uranium, which is capable of supporting a fission chain reaction
军队, 后勤 Material, such as plutonium and certain isotopes of uranium, which is capable of supporting a fission chain reaction. (FRA)
active material
: 6 短语, 5 学科
天线和波导1
技术2
电化学1
蓄能器1
通讯1