Actually this was a series of viewpoints which were all connected by a path.
事实上，这是由许多小径连接起来的多个观景台。
The form of air path connection: connected with spiral tube .
电路连接形式：螺旋七芯线快插头。
Below this procedure is the simplest case, that is only connected with a path exist.
下边的这个程序是最简单的一种情况，即只用一个连通的路径存在的情况。
Below this procedure is the simplest case, that is only connected with a path exist.
下边的这个程序是最简单的一种情况，即只用一个连通的路径存在的情况。
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