балансир станка-качалки | |
O&G | balance beam; horse head; sucker rod pump horsehead; horse-head |
O&G, oilfield. | walking beam |
с | |
gen. | offering; the size of |
n-плечо | |
el. | h-port |
балансир станка-качалки с: 4 phrases in 3 subjects |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oilfields | 1 |