This article introduces the construction technological process of a new type of ballastless track, viz. the double-block track and performs a cost analysis of the same.
介绍一种新型无碴轨道形式即双块式无碴轨道的施工工艺过程，并进行造价分析。
The technological process, technological control, mold making as well as the construction of pneumatic pot squeezing casting machine have been separately introduced.
介绍了铸铁锅挤压铸造的工艺过程、工艺控制、铸型制作及气动压锅机的结构等。
The article briefly introduces the technical performance of this material, the basic treatment thinking of the broken plate and the relative construction technological process.
该文简单介绍该材料的技术性能、处理断板基本思路及有关施工工艺过程。
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