low-nitrogen crude oil
... 高硫原油 High-sulfur crude oil 低氮原油 Low-nitrogen crude oil 高氮原油 High-nitrogen crude oil ...
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该油砂油是一种高含氮、高含蜡、高含胶、低含硫的重质原油。
So the oil sand's oil is heavy crude oil with high nitrogen, high wax, high gel and low sulfur.
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