- ballast extruder
- плуг для смены балласта
Англо-русский железнодорожный словарь. 2013.
Англо-русский железнодорожный словарь. 2013.
Plastic welding — is the process of welding plastic parts together. There are several techniques:Hot gas weldingThis is a plastic welding technique which is analogous to gas welding of metals, though the specific techniques are different. A specially designed heat … Wikipedia