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Terms for subject Air defense containing pre | all forms | exact matches only
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antenna pre-amplifier天线前置放大器
frequency pre-selection频率预选
pre-amplifier valve压放电子管
pre-amplifier valve前置放大管放大器
pre-modulator预调制器
pre-planned product improvement预规化的产品改进
pre-selector前置选择器
pre-set jammer预调干扰机
pre-TR前置收发开关
pre-TR tube前置收发管