基本解释[交通运输工程]陶质衬垫焊英汉例句双语例句Experiments on CO2 gas shielding GDQA308L flux cored wire one side welding using ceramic backing were also implemented.对CO2气保护药芯焊丝GDQA308L配合陶瓷衬垫单面焊双面成形进行了试验。ceramic backing welding更多例句专业释义交通运输工程陶质衬垫焊