straight line spot welding
[海运英汉词典]
straight line spot welding直线点焊
是什么意思,straight line spot welding的解释,straight line spot welding的翻译
[船舶英汉词典] straight line spot welding
straight line spot welding
[海运英汉词典]
straight line spot welding是什么意思,straight line spot welding的解释,straight line spot welding的翻译
[船舶英汉词典] straight line spot welding