When the water level was high, the user needed only to descend a few steps to reach it; when it was low, several levels would have to be negotiated.

当水位高的时候，使用者只需要往下走几个台阶就能到达井的部位；当水位低的时候，就要走好几层了。

youdao

When the water level was high, the user needed only to descend a few steps to reach it; when it was low, several levels would have to be negotiated.

当水位高的时候，使用者只需要往下走几个台阶就能到达井的部位；当水位低的时候，就要走好几层了。

youdao