Air tightness test and safety valve adjusting for main air receiver (control air receiver, air horn receiver) on board.

主空气瓶(制空气瓶、笛空气瓶)船后气密试验和安全阀的调整。

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A compressed air system including air compressor (s), air receiver (s), air filtration equipment, backwash air regulators, and instrumentation.

压缩空气系统包括一个空气压缩机(长)(s)号航空接收机、空气过滤设备、空气调节剂冲洗、仪器。

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The company went to great pain to design a system that would meet all the legal requirements of an existing over the air TV receiver, even going as far as creating limitations for customers in terms of geographical areas in which they can use the service.

FORBES: Aereo: The future of TV is here today

Sure, we've got satellite radio in the U.S. But the Brits have DAB digital audio broadcasts that are free over the air as long as you've got a DAB receiver (America's answer to DAB, HD radio, has a long way to go before it even comes close to DAB in terms of reach).

ENGADGET: Sonus 1XT DAB radio with voice navigation