Leakage of "Four Tube" in boiler is always the major hidden peril for safety operation of fossil-fired power plant.

锅炉“四管”泄漏一直是影响火电厂安全生产、稳定运行的一大忧患。

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The application research showed that coatings can be used in the four tube protection of the boilers in power station.

应用研究表明，该涂层适合用于电站锅炉“四管”的防护。

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Wear and it is also the economizer tube in boiler four tube blasting accident accounted for the proportion of one of the reasons for high.

而且磨损也正是省煤器爆管在锅炉四管爆破事故中占的比例较高的原因之一。

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Four beds stood in a room, dimly lit by a fluorescent tube.

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Balasubramanian's group has been pursuing a four-stranded version of the molecule that scientists have produced in the test tube now for a number of years.

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