Realtime control between PC and PLC is realized through serial communication by freeport mode, and the control of temperature and pressure is realized by PLC.

通过上位机pc与PLC以自由口方式串口通信实现PC对PLC的实时监控，并用PLC对温度、压力进行控制。

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The first company to take advantage of the new opportunities was Freeport.

受益于该法案的第一家企业就是自由港铜金矿业公司。

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The mine has been dug out over decades by Freeport-McMoRan, the American copper-and-gold giant.

该矿已被自由港麦克·莫兰公司开挖了好几十年，这是一家美国铜金业巨头。

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Freeport's Grasberg mine has one of the biggest copper and gold reserves in the world.

BBC: Freeport's Grasberg copper mine

The 17-year-old ship never lost power and was able to sail into port at Freeport, Bahamas.

BBC: Royal Caribbean cruise cancelled in Bahamas after fire

Two U.S. Coast Guard cutters escorted the Bahamian-flagged cruise ship to Freeport, the Coast Guard said.

CNN: Royal Caribbean cruise cut short after on-board fire