Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and the Yahoo Answers website is now in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

? asked in 科學及數學工程學 · 10 years ago

TIG “瓦斯” 焊鎗內作為電極的金屬棒是什麽?

TIG “瓦斯” 焊鎗內作為電極的金屬棒是什麼?

1 Answer

Rating
Still have questions? Get your answers by asking now.