The types and design principles of once-through boiler startup system and steam turbine by-pass system are expounded.
阐述了直流锅炉启动系统与汽轮机旁路系统的型式及设计原则。
This article describes the basic principles of eddy current test and analyzes the acceptance standards of eddy current test for boiler tubes at home and abroad.
叙述了涡流探伤基本原理，分析了国内外锅炉钢管涡流探伤验收标准，提出了锅炉钢管涡流探伤验收等级标准。
In this paper, the principles of pressure boiler refit to normal pressure hot - water boilers are discussed in detail.
详细地论述承压锅炉改装成常压式热水锅炉的机理。
In this paper, the principles of pressure boiler refit to normal pressure hot - water boilers are discussed in detail.
详细地论述承压锅炉改装成常压式热水锅炉的机理。
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