gas welding

基本解釋

PP-H welding method is commonly used in thermal contact welding and the use of hot gas welding electrode .
H 的焊接常用的方法是熱接觸焊接和使用焊條進行熱氣焊。
Man-made static magnetic fields are generated wherever DC currents are used, such as in electric trains or industrial processes such as aluminium production and in gas welding.
在使用直流電的地方即產生人為的靜電磁場，例如在電車或諸如鋁生產和氣焊等工業(yè)操作程序中。
Gas welding equipment - Safety devices - Part 2 : not incorporating a flame arrestor .
氣焊設備。安全裝置。第2部分：不含有回火制止器的安全裝置。

In the early 1900s Adolf Messer, the founder, quickly moved from gas lamps, suspecting that electricity would do the job better, to making welding equipment and industrial gases.
ECONOMIST: Face value

a method of welding in which a combination of gases, usually oxyacetylene, is used to provide a hot flame