总之选取点阀箱应按戒指的不同来选用。2、在安装时要注意点阀箱进口法兰内的过滤芯是否已安装在内。

In short valve box should be selected at the different rings to choose. 2, attention should be paid at the time of installation in the valve box at the flange import filters have been installed,.

youdao

请注意我这里确实选取了x=0的点。

Notice that I now did choose x = 0.

youdao

用直接选取工具单击这个图形的路径，单击垂直点然后按住shif t键往下拉直到如图所示状态。现在看起来不错了，但是还是比较简陋。

Pick the Direct Selection Tool and click on the shape path. Click the vertical point and drag it down while holding the Shift key until it reaches the same level with the horizontal axis.

youdao

And I keep cutting the problem down.

那么我应该选取数组中的哪个点呢？

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