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1·While high prices are denting demand, miners, oil companies and farmers are struggling to boost supply enough to resolve the tightness in the market.

尽管价格高企削弱了需求，但在另一方面，矿商、石油企业和农场主难以增加供应以解决市场的紧张。

2·CERA hedged its predictions of supply tightness with uncertainty about the rate at which world oil demand will recover after the recession.

虽然CERA预测说未来可能出现原油供应紧张，但它也表示，无法确定经济衰退结束后世界石油需求将会以多快的速度反弹。

3·'the IEA says that despite the high oil price, market tightness will increase from 2009, because new capacity additions won't keep up with reduced capacity from existing fields,' he said.

田中伸男说，国际能源署认为，尽管油价已处于高位，但从2009年起石油市场供应紧张状况还将加剧，原因是新增加的原油生产能力低于现有油田减少的生产能力。

4·Often check the chain of the guide rail type of the tightness of the chain, the oil wire rope to periodically check the tightness of the oil wire rope.

经常检查一下导轨式升降机的链条的松紧程序，有油丝绳的要定期检查油丝绳 的松紧程度。