требования и методы испытаний | |
progr. | requirements and test methods |
обратный клапан | |
tech. | baffle gate; holding valve; inverted valve; nonreturn valve; return valve; pressure-relief valve |
| |||
requirements and test methods (ssn) |
Требования и методы испытания: 8 phrases in 3 subjects |
Firefighting and fire-control systems | 5 |
Power system protection | 1 |
Programming | 2 |