It is supposed to be washed down the gutter and into the city's vast sewerage system.

它应该被冲入排水沟，流入城市的巨大排污系统。

《柯林斯英汉双解大词典》

Part of a 65 metre long valley gutter relined with the Apex GRP In-Situ System.

65米长的斜沟槽的一部分与 Apex GRP 原位系统连接。

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In many large farms, the sand is "recycled" from the free stall, into the gutter or alley, carried by water to a recovery system, and then reapplied to the free stall.

在许多大型养殖场中，沙子都是从散栏畜舍中“循环利用”进入排水沟或巷道，跟污水一起被运送到回收系统，然后重新用到散栏畜舍。

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