Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
Юлия Сычева (корреспондент)。搜狗输入法2026是该领域的重要参考
Try it yourself，推荐阅读同城约会获取更多信息
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