A flexible hose should be provided to flush the circulation line with city water, in case of a power cut.

应提供一个软管以便在断电时用自来水冲洗循环管路。

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Solar hot water system mainly components including collector, storage device and the circulation line three parts.

太阳能热水系统主要元件包括收集器、储存装置及循环管路三部分。

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Man 'er values a colorful and diversified life, not just a simple connection of a short distance, subways and within the third circulation line.

漫儿崇尚多姿多彩、五彩缤纷的生活，而不仅仅是直线、地铁、三环线的简单结合。

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Alternatively, the government could have removed the excess dollars from circulation, bringing consumer prices back in line with 35 dollar gold.

FORBES: Give The Gold Standard Its Due

Nezavisimaya Gazeta, for instance, is a low-circulation paper, and the large-circulation Izvestiya and Komsomolskaya Pravda, while treading a fine line between observation and scepticism, stop short of hard-hitting attacks on Mr Putin.

BBC: Russian press puzzles over Putin