This plan is suitable for oil and gas pipeline construction in salty soil area.
敷设方案适用于盐渍土地区输油输气管道施工。
There is large area of high Na salty soil at Songnen Plain in the west of Heilongjiang.
黑龙江省西部松嫩平原为大面积高钠盐渍土区，区域内的土质大都为分散性粘土。
There is large area of high Na salty soil at Songnen Plain in the west of Heilongjiang.
黑龙江省西部松嫩平原为大面积高钠盐渍土区，区域内的土质大都为分散性粘土。
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