给某物装上压舱物( ballast的过去式和过去分词 );
Analysis on Space Vibration of Ballasted track
有碴轨道结构空间振动分析
ABSTRACT: The asphalt cement truck is one of the key equipments which are used to build the non-ballasted high-speed railway. It is used to storage and transport the cement mortar material, and also to product the mortar.
摘要:沥青水泥砂浆车是无砟轨道式高速铁路施工不可或缺的关键设备之一,具有沥青水泥砂浆物料储存与输送、生产砂浆的功能。
Cement asphalt mortar ( hereinafter abbreviated to CA mortar) is a key material of CRTS-ⅱ-type non-ballasted track construction, which application technology has become a hot issues in the railway construction.
CA砂浆是CRTS-Ⅱ型板式无砟轨道的一种关键材料,其应用技术研究已成为铁路建设中所关注的一个热点问题。
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