Hotelstaff can also partially close curtains to block out sun and decrease the need for more air conditioning by guests.

酒店员工还可以部分关闭窗帘，阻断日照，减少客人对空调需求。

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It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.

深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏，减少大块率，提高爆破效率等方面均具有重要的意义。

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A water tariff structure with step-wise increase or decrease of the price per unit water from one block to the next.

一种水价结构，水的单价从一个水量段到下一个水量段逐步增加或者减少。

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Because memory takes time to form, he conjectured that drugs which block the action of these hormones soon after the trauma might decrease the intensity of the memory.

ECONOMIST: Memory and emotion: Thanks for no memory | The