балансир станка-качалки | |
油田 | walking beam |
油和气 | balance beam; horse head; sucker rod pump horsehead; horse-head |
с | |
一般 | offering; the size of |
n-плечо | |
电子产品 | h-port |
| |||
balance beam (MichaelBurov); horse head (MichaelBurov); sucker rod pump horsehead (MichaelBurov); horse-head (MichaelBurov) | |||
walking beam | |||
beam; sway beam |
балансир станка-качалки с: 4 短语, 3 学科 |
油和气 | 1 |
油田 | 1 |
石油/石油 | 2 |