High frequency Argon flow electric operator has an important application in medical operation, and the control and adjustment of the Argon flow is the key technology.

氩气高频电刀在医疗上有重要应用，氩气流量的调节与控制是其关键技术。

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An electric motor helps the operator pull a heavy load or go up a hill.

VOA: special.2009.05.11

He is furious with Tokyo Electric Power, operator of the plant, for failing to acknowledge the long-term impacts of the disaster.

ECONOMIST: The mounting human costs of Japan��s nuclear disaster

The breakdown was not thought to pose any immediate danger, operator Tokyo Electric Power (Tepco) said.

BBC: Fukushima nuclear plant: Cooling system power restored

The plant's operator Tokyo Electric Power Co (Tepco) said exposure to radiation levels in the No 3 reactor for four-and-a-half hours would exceed the emergency safety limit for power plant workers.

BBC: Robots record high radiation levels at Japan reactors