英语词汇“back-up item”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	back-up item
释义	back-up item 备分项目;备用项目
随便看	radiation exposure personnel record radiation exposure state radiation exposure statistics radiation exposure status radiation factor radiation fatigue radiation feedback radiation fibrosis radiation field radiation field pattern radiation-field photography radiation fields radiation field size radiation field statistics radiation filter radiation fin radiation fin bonnet radiation fins radiation fire detector radiation flavour radiation flow radiation flux radiation flux density radiation flux divergence meter radiation fluxmeter xhgy xhhg xhhh xhhq xhhx xhjc xhjq xhll xhls xhly けたけたけたたましいけたちがいけたちがい【桁違い】けたてるけたてる【蹴立てる】けたはずれけたはずれ【桁外れ】けた外れけた繰り