| English | eng-000 |
| bed course | |
| 普通话 | cmn-000 | 垫层 |
| English | eng-000 | bedding course |
| English | eng-000 | bedding cushion |
| English | eng-000 | blanket |
| English | eng-000 | buffer |
| English | eng-000 | cushion coat |
| English | eng-000 | cushion course |
| English | eng-000 | cushion ply |
| English | eng-000 | mat base |
| English | eng-000 | subcrust |
| русский | rus-000 | подстилающий слой |
| русский | rus-000 | подстилающий слой дорожной одежды |