At last, taking the dialing Xincun slope harnessing engineering as the example, the slope stability under the affection of rainfall and the application of drain ditch and drain hole are accounted for.

最后，文章以茶岭新村边坡支护工程为例，说明了降雨对边坡稳定的影响以及排水沟和泄水孔等在边坡支护中的运用。

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Under the Ninth Circuit ruling, a permit could be demanded for every drain and ditch that directs water from a logging road to a fish-bearing stream.

FORBES: A Supremely Important Decision About America's Logging Industry