“angle backwards welding”的概念、定义、翻译、参考文献-科学参考

单词	angle backwards welding
释义	angle backwards welding 后倾焊
随便看	return flow line return flow scavenging return-flow system return-flow tunnel return-flow wind tunnel return flue boiler return flume return for no claim return from final clearing return from interrupt return from seal return from subroutine (RFS) return from thinning return function return gear return gear box return ghost return guide vane return idler returning curve returning handle returning iron returning land for farming to forestry returning security money returning to service

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