... helium compressor auxiliary seal oil pump 氦气压缩机辅助密封油泵 helium control valve氦控制阀 helium coolant 氦冷却剂 ...
双语例句
1
The system can pump the helium in the gasbag back to the high-pressure gas storage tank through the compressor or control the exhaust valve to exhaust so as to adjust buoyancy force.