Due to the tight supply of raw material coal and the rise in its price, the production cost of ammonia has increased by a big margin.
由于原料煤供应紧张及价格上涨，造成合成氨生产成本大幅度上升。
Due to the tight supply of raw material coal and the rise in its price, the production cost of ammonia has increased by a big margin.
由于原料煤供应紧张及价格上涨，造成合成氨生产成本大幅度上升。
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