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deep trough

deep trough

矿业工程专业词汇英语翻译(D-H) -亿城英语 ... deep shaft 深井 deep trough 槽形运输机 deep well pump 深井泵 ...

潮流深槽,tidal... ... ) tidal channels 潮流深槽 ) deep trough 深槽 ) deep trench 深槽 ...

The transaction comes as the luxury-goods market is rebounding sharply from a deep trough during the recession .

Only the deep trough-like beams ending in gargoyles discharging rainwater into courtyard pools were of reinforced concrete.

2009 was the trough year of the most recent business cycle -- and a deep trough at that.