词典论坛联络

   英语
Google | Forvo | +
短语
active material
蓄能器 materiał aktywny
 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: 4 短语, 3 学科
天线和波导1
电化学1
蓄能器2