青云翻译

Conditions of use are divided into aerial and underground laying laying in several ways. Overhead and the trench laying the pipe insulation installed in place on-site, underground laying use of prefabricated insulating pipe buried underground, surrounded by fine sand backfill.

Use conditions are divided into overhead laid and buried in ground in several ways. Overhead and trench laying in the pipeline in place on-site after insulation, precast buried laying directly buried insulating pipe buried around backfill sand.

The exploitation conditions divide into are built on stilts the placing and bury lay and so on several ways.Is built on stilts and the place ditch placing after the pipelining arriving the scene heat preservation, buries lays uses buries the type prefabrication tubular holder to bury straight, perip

Conditions for use of an aerial ropeway, such as laying laying and buried in several ways. Overhead and trench laying the pipeline installation in place after laying underground scene, use the direct heat buried prefabricated insulated pipe buried in sand, backfilling around.

Use conditions are divided into overhead laid and buried in ground in several ways. Overhead and trench laying in the pipeline in place on-site after insulation, precast buried laying directly buried insulating pipe buried around backfill sand.