| 摘要 |
FIELD: gas engineering. ^ SUBSTANCE: device comprises gas pipelines, pressure regulators, gas valve, manometers, metallic hoses, measuring chamber with two pressure gages, solenoid valve, two analogue-digital systems, two storage devices, two digital comparators, device for digital indication, device for control of pressure, and starting device. ^ EFFECT: enhanced accuracy and expanded functional capabilities. ^ 1 dwg |
