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(jìn)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(chǎn)生人為的靜電磁場(chǎng)，例如在電車(chē)或諸如鋁生產(chǎn)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(shè)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