Combining with engineering practice, this paper states characteristics and usage range of cast - in - place hollow floor, introduces its construction key points and economy benefit.
本文结合工程实例，论述现浇空心板的特点及适用范围，并介绍了现浇空心板施工程序要点及经济效益。
Combining the mechanic engineering with soil mechanics, the paper studies the dynamic characteristics of interaction between the compaction equipment and soil, dynamic model is set up.
将机械工程和土壤力学有机结合，对压实机—土壤系统动态特性进行研究建立了系统的动力学模型。
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