而国内对多管片装配式地下通道结构应用技术的研究尚为空缺，还没有装配式钢筋混凝土管型通道的设计规范可供设计职员参考。
Whereas the domestic research on the application technology of segmental prefabricated underground culvert is still blank and there is no design specification to offer for the reference.
对比介绍了水泥基渗透结晶型防水材料(CCCW)在地铁盾构法施工预制管片生产中的干撒法和涂刷法两种施工工艺。
This article compares dry spreading technique with coating method of CCCW applied in prefabrication pipe sections, which are used in shield construction.
通过与管片式散热器总成的对比，分析、探讨了东风牌EQ140-1型汽车上所采用的管带式散热器总成的各项维修性能。
Based on a comparison with a tube and fin radiator, this paper discusses and analyses the repairability and maintainability of a tube and corrugated fin radiator installed on Dong Feng EQ140-1 truck.
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