Stoneblower

DR 80301 at Meldon Quarry, Dartmoor Railway

This is a photograph, at a distance, of the PBI'84 operating in its measurement phase.

A Stoneblower is a railway track Maintenance machine that automatically lifts and packs the sleepers with small grade ballast, which is blown under the sleepers to level the track. An alternative to the use of a Ballast tamper, the totally self-contained machine levels track without the use of a large gang of workmen.

单词	Stoneblowers
释义	Stoneblowers 英语百科 Stoneblower A Stoneblower is a railway track Maintenance machine that automatically lifts and packs the sleepers with small grade ballast, which is blown under the sleepers to level the track. An alternative to the use of a Ballast tamper, the totally self-contained machine levels track without the use of a large gang of workmen.
随便看	yearbook commercial arbitration yearbookish Yearbook of Human Rights yearbook of international trade statistics yearbook of national accounts statistics Yearbook of the International Law Commissions Yearbook of the United Nations year book yearbook unit year built Yearby yearbyyear year by year year class year climate year clock year course yeard yearday yeardays year difference year dividend Yeardley year dot year dots

Stoneblowers

Stoneblower