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link 19.02.2009 7:45 |
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Subject: The gas metering system is bi-directional and in a 2*100% meter runs conficuration each with two US meters in series O&G The gas metering system is bi-directional and in a 2*100% meter runs conficuration each with two US meters in series.Из этого предложения я поняла только, что система учета газа двусторонняя, а дальше... |
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