It is then recycled into "gray" water, which is used to flush toilets before being taken out of the internal water system as "black" water.

然后被循环为“灰”水，用来冲马桶，最后最为“黑”水离开内部水系统。

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Steel lining, concrete lining and surrounding rock can work together to share internal water pressure.

在内水压力下，钢衬、混凝土衬砌和围岩可共同承载。

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Land-lake ecotone refers to the function frontal zone between internal water ecosystem and the land ecosystem.

水陆交错带是指内陆水生生态系统与陆地生态系统之间的功能界面区。

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The finding upends previous studies, which had estimated that the Red Planet's internal water stores were scanty at best something of a surprise, given that liquid water apparently flowed on the Martian surface long ago.

MSN: Scientists say parts of Mars interior are as wet as Earth's

The DWI said the water became contaminated after the Anglian Water centre did not respond quickly to internal alarms signalling a water tower was emptying.

BBC: Contaminated water fine

The micro-USB port, also found along the left edge, is uncovered, but Motorola had the foresight to bathe both the surface and internal circuitry in a water-resistant coating, which should stand up to the wet weather conditions many Europeans will face heading into winter.

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