The negative pressure trough and deep trough high speed belt conveyor arranged in the left bank solved this problem.

通过在左岸布置负压溜槽和深槽式高速皮带联合运输系统，解决了这个问题。

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

整个建筑只有排雨水用的水槽滴水嘴是钢筋混凝土结构。

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The total construction plan of F3 weathered deep trough section and related technology methods of grouting, excavation and supporting were also mentioned and analysed in the paper.

介绍了F3风化深槽地段的施工总体方案，重点阐述风化槽的注浆工艺和开挖支护方法。

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Then you shift gears and blame the teachers unions for protecting bad teachers that ought to be fired and dig into the all-too-deep trough of anecdotal evidence to dredge up a few examples of really bad teachers that were hard to fire.

FORBES: A Response to Megan McArdle

But it was only three years ago that vents were first detected in the Cayman Trough, a deep trench formed by the boundary between two tectonic plates.

BBC: Deepest undersea vents discovered by UK team

While shallow-rooting plants, like succulents, can thrive in a low trough, the roots of dwarf evergreens need a container at least 9 inches deep.

WSJ: Trough Gardening: A Challenger to the Terrarium Craze?