gas welding device 中文意思是什麼
gas welding device
解釋
氣焊設備-
Welding and allied processes - qualification test of braze welders for safety joints on fuel gas distribution pipework - joining of fuel gas pipework in fuel gas plants located downstream of the general cut - off device
焊接和相關工藝.氣體燃料配送管道上安全接頭用銅焊設備的合格鑒定試驗.位於通用切割設備下游的氣體燃料設備中氣體燃料管道的連接 -
Welding and allied processes - qualification testing of brazers for safety joints on fuel gas distribution pipework - joining of fuel gas pipework in fuel gas plants located downstream of the general cut - off device
焊接和相關工藝.氣體燃料配送管道上安全接頭用銅焊件的合格鑒定試驗.位於通用切割設備下游的氣體燃料設備中氣體燃料管道的連接 -
Welding and allied processes - qualification test of welders for safety joints on fuel gas distribution pipework - joining of fuel gaz pipework in fuel gas plants located downstream of the general cut - off device
焊接和相關工藝.氣體燃料配送管道上安全接頭用焊接設備的合格鑒定試驗.位於通用切割設備下游的氣體燃料設備中氣體燃料管道的連接
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