为墙内埋设 纵横交错的各种管道和线路提供了方便条件，装饰墙整齐美观。
The invention provides convenience for the stagger embedment of various pipelines and circuitries inside a wall and the decorative wall is tidy and beautiful.
从宏观上看，理想的公交网络应该是点和线的最优组合，是由公交枢纽连接着的公交线路纵横交错构成的。
In macroscopical sight, the ideal public transit network should be the excellent combination of public transit hub and line.
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