一般采用一刮、二滚、三纵、四抹的方法，确保桥面铺装层的平整度。
The general method of scraping, rolling, two vertical and four wipe, ensure the pavement smoothness.
上海安西路改建工程是为实现“三纵三横”主干路实施机动车专用、对原主干路上非机动车交通提供出路的工程。
Reconstruction of Shanghai Anxi Road is to realize "3 Longitudinal and 3 Transverse" special for motor vehicles and to apply the way for non-motor vehicles.
本文介绍了该系统纵-横向伺服控制和三割炬伺服控制的方案和原理。
This paper drescthes ibe systematic idea and principle of longitudinal, transverse and three torches space length servo controls.
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