英语词汇叩门声是什么意思，叩门声的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	叩门声
释义	ENGLISH PHRASES 英文词组〔rap〕hear a loud rap at the door 听见一下清脆的叩门声英汉大词典〔soft〕a soft knock on the door 轻轻的叩门声英汉大词典
随便看	weld pass weld penetration weld polarity weld preheating weld preparation weld reinforcement weld repairs weld ripple weld root gap weld root opening weld rotation weld slope weld spot weld strength weld surface weld thermal cycle weld time weld toxic gases weld trimmer weld width weld wire weld zone weld(ing) defect weld(ing) flaw weld(ing) seam

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