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词汇
無妄之憂
释义
無妄之憂
wú wàng zhī yōu
基本
出处
平白无故遭灾的忧虑。
变体无妄之忧
唐·韩愈《忆昨行和张十一》:“无妄之忧勿药喜,一善自足禳千灾。”
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discharge tube, producing gas during operation
discharge tube rectifier
discharge-tube rectifier
discharge tubes
discharge tube, screen
discharge tube, semiconductor device
discharge tubes for SEPARATING of particles
discharge tube, solid cathode
discharge tubes sensitive to RADIATION
discharge tubes sensitive to RADIOACTIVITY
discharge tubes using TENEBRESCENT
discharge tubes with emergence of electrons
discharge tubes with emergence of ions
discharge-tube type controller
discharge tube, vacuum-tight joint
discharge tube vessel
discharge tube with diaphragm
discharge tube with liquid-pool cathode
discharge tubing
discharge tuhe
discharge tunnel
discharge turret
discharge type
discharge-type ball valve
discharge, unconstricted
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更新时间:2025/11/8 7:29:34