通过实验分析，提出了塞拉门防冻电热装置的技术条件和检验要求。
Via experiment and analysis, the technical specifications of the freeze proof and electrical heating device for plug doors as well as the inspection requirements are put forward.
介绍了塞拉门防冻电热装置的原理、结构、形式。
The principles, structure and mode of the freeze proof and electrical heating device for plug doors are described.
介绍了塞拉门防冻电热装置的原理、结构、形式。
The principles, structure and mode of the freeze proof and electrical heating device for plug doors are described.
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