A fixed main trough was designed. In order to monitor the temperature variation in lining of iron and slag runner, the thermocouples 'were installed.

采用固定主沟，渣铁沟设有测温热电偶，以监测其内衬的温度变化。

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Saving for time of repairing iron trough, labor, consume refractories and cost.

节约高炉炉前修沟时间，减轻劳动强度，降低耐材料单耗和炼铁生产成本。

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The joint-venture iron ore project, named the Lac Otelnuk Iron Project, is located in the Labrador trough in Nunavik, Quebec.

FORBES: Plan Nord: Fasken Martineau: Helping Move Plan Nord Along Behind The Scenes