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

单词	weld back-up
释义	weld back-up 焊缝背垫
随便看	seismograph amplifier seismograph drill seismographer seismographers seismographic seismographical seismographic map seismographic observation seismographic observatory seismographic record seismographic station seismographies seismographs seismograph station seismography seismol. seismolog seismologic seismological seismological evidence seismologically seismological observation seismological table seismologic consideration seismologic history 山中方一日，世上已千年山中方七日，世上已千年。山中无历日，寒尽不知年。山中无好和尚，朝中无好宰相山中无甲子，寒尽不知年山中无甲子，寒暑不知年山中无老虎，猴子称大王。山中春已晚，处处见花稀。明日来应尽，林间宿不归山中有直树，世上无直人。山中桂树自有枝，心中方寸自相知。何言岁月忽若驰，君之情意与我离。还君玳瑁金雀钗，不忍见此使心危。座つき座もち座り座りこむ座りだこ座り胼胝座り込む座る座ス座スル