gas welding

基本解释

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热接触焊接和使用焊条进行热气焊。
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.
在使用直流电的地方即产生人为的静电磁场，例如在电车或诸如铝生产和气焊等工业操作程序中。
Gas welding equipment - Safety devices - Part 2 : not incorporating a flame arrestor .
气焊设备。安全装置。第2部分：不含有回火制止器的安全装置。

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