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查看上市的纽曼帝克水掣，而现场总线的能力。
View a listing of Numatics valves that are Fieldbus capable.
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实验完毕后，应关掉煤气、水喉及电掣等。
Bear in mind to switch off all gas, water and electricity supply.
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实验完毕后，应关掉煤气、水喉及电掣等。
Bear in mind to switch off all gas, water and electricity supply.
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