Most subsea pipeline repair technologies involve fittings that can be connected to the pipeline via mechanical means, such as couplings, clamps, T-branch connections, or by welding.

多数海底管线修复技术都会涉及到一些借助机械手段或者焊接联接管线的配件，例如联轴器、钳夹、T型分支连接等。

youdao

The invention discloses a connecting pipe used between a shell and a liquid receiver of an air compressor and a welding method thereof, which belong to technical field of air conditioner fittings.

本发明公开了一种用于空调压缩机外壳与贮液器之间的连接管及其焊接方 法，属于空调机配件技术领域。

youdao

This welding machine is used for welding parts in applications of valve element, in-out water pipe fittings at end covers of solar water heaters, automobile and motorcycle manufactures.

该系列管接头电脑自动氩弧焊机适用于气阀阀芯、太阳能热水器端盖进出水管接头焊接、并广泛应用于汽车制造、摩托车制造等行业。

youdao