A frame with gantry structure, a special welding head driving system and a special cooling system are applied to this machine. And it is equipped with the control system based on PLC developed by us.

该焊机采用龙门结构操作架以及特殊设计的机头传动结构和冷却系统，并配置自主开发的基于P LC的控制系统，具有结构紧凑、功能完善、工作可靠、 焊接质量好等特点。

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Or they can be a simple voice in the head, like the one Tammy heard as she was driving along one night in thick fog.

或者他们也可能是人们脑海里的一个简单的声音，就像泰米在大雾笼罩的夜晚独自驾车时听到的一样。

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After driving in silence for a while, we pass through a gate and head uphill into pine woods.

和尚沉默寡言地开着车，过了一会车驶过一处大门，开始向山上的松林深处驶去。

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Others compare it to someone driving a sharp object into the head.

VOA: special.2010.03.30

"People are less likely to give up control because you just have to look at the market, " says Peter Rodger, head of driving standards at the Institute of Advanced Motorists.

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Tuesday's hearing was told the former deputy head teacher had been driving since the 1950s and did not have any penalty points on her licence.

BBC: L-plate

However, when told of the decision, Burton was furious and, in a scathing six-page letter to Hathaway, criticized him for essentially being unfit for his job and driving former head coach Randy Edsall to Maryland.

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