 |
| |||
| 拉〔牵引,刹车〕链; 障碍 | |||
| 覆土链 | |||
| 组合刮板链条 | |||
| 移送机拖运机链条; 刮板链 | |||
| 拉链; 牵引链; 制动链 | |||
| 拖链; 刹车链 | |||
| |||
| 拉〔牵，拖，挂，刮〕链; 运油车的接地拖链; 障碍; 妨害 | |||
| 刹车〔制动，牵引，覆土〕 链 | |||
| |||
| 牵引链 | |||
| drag chain: 22 phrases in 8 subjects |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Marketing | 1 |
| Metallurgy | 5 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 11 |
| Water resources | 1 |