West Texas Intermediate, an American benchmark, lagged slightly thanks to diminished demand from refineries under repair.
西德克萨斯州中质油由于需求（炼油厂检修）下降，而位列其后。
West Texas Intermediate (WTI) spot hit 3-month low of $43.14 on Monday owing to market concerns on the U. S. oil oversupply, sluggish global demand and a strengthening dollar.
（西德州轻质原油）现货在周一达到三个月以来的低点43.14 美元，这是因为市场担忧美国的石油供过于求，而全球市场需求低迷以及美元的走强。
Piperazine is an important chemical intermediate. At present, the domestic demand mainly relies on import.
哌嗪是重要的化工中间体，国内需求主要依赖进口。
In terms of supply and demand, economical intermediate-grade cars are still in short supply on the auto market.
就供需而言，经济型的中档轿车在汽车市场上还是供货不足。
In terms of supply and demand, economical intermediate-grade cars are still in short supply on the auto market.
就供需而言，经济型的中档轿车在汽车市场上还是供货不足。
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