英语词汇“when to be backed up”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	when to be backed up
释义	when to be backed up 可当后盾
随便看	welding seam metal welding seam No welding seam of intersection welding seam recognition welding seam texture welding seam tracing welding seam tracking welding sequence welding-sequence welding set welding setting welding settings welding set with a surge injector welding set with dc suppression capacitors Welding sewn in pressure vessel welding shield welding shop welding-shop welding shrinking force welding simulate welding simulation Welding simulations welding simulator welding skill welding slag