 |
| |||
measured shovel packing (метод уплотнения балласта под шпалами); stone blowing (взято из статьи Selig and Waters (1994) Experimental investigation of static and cyclic behaviour of scaled railway ballast and the effect of stress reversal  researchgate.net LikeOcean) | |||
| суфляж: 2 phrases in 1 subject |
| Rail transport | 2 |