·2,447,543篇论文数据，部分数据来源于NoteExpress
Vacuum heating treatment has many advantages which is superior in dies' heating treatment.
真空热处理具有很多优点，特别是在工模具的热处理方面优势明显。
Besides, the problem on share of heat and power in the low vacuum heating system was discussed emphatically. A new share method was raised.
此外，本文还着重对低真空供热系统的热电分摊问题进行了探讨，提出了一种新的(火用)值法。
The construction, performance and the working principle of VH vacuum heating water heater unit are discussed. The applications of the unit are also introduced.
阐述了VH真空热水机组的工作原理、结构组成和性能特点，介绍了该机组在供热、采暖系统中的应用。
应用推荐