先进自卫干扰器 advanced self-protection jammer: 先进自卫干扰器advanced self-protection jammer (aspj): 先进自卫干扰advanced zone of protection: 前进警戒阵地necessity of self-protection: 必要自卫, 正当自卫self balance protection: 相电流自动平衡保护下载手机词典可随时随地查词查翻译