INFLUENCE OF HEAT CONDUCTION ABILITY OF BACKING BAR ON WELDING RESIDUAL STRESS IN TITANIUM ALLOY THIN PLATE是什么意思_INFLUENCE OF HEAT CONDUCTION ABILITY OF BACKING BAR ON WELDING RESIDUAL STRESS IN TITANIUM ALLOY THIN PLATE在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句