seasonal maintenance

基本解释

With many refineries in the midst of seasonal maintenance, not all of that capacity is being used.
由於許多鍊油廠都在進行季節性維護保養，産能竝未全麪投入運行。
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Thirdly, American gasoline consumption usually falls in August and September due to end of vacation, and refinery shut for seasonal maintenance during the period.
第三，美國的汽油消費通常會在八月和九月下落，原因就是假期的結束，而在此期間鍊油廠也會因爲維護而關閉。
According to the maintenance speciality, discussion is made on the asphalt pavement mainly from preliminary maintenance, daily maintenance and seasonal maintenance.
針對瀝青路麪的養護特點，從初期養護、日常養護及季節性養護三個方麪對瀝青路麪養護進行了論述。

The onset of the Libyan crisis fortuitously coincided with the peak of the European refinery outages, primarily linked to seasonal maintenance work, and thus lower demand for crude oil.
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This is largely due to an expected dip in production in the second and third quarters owing to seasonal factors and planned maintenance, as well as asset sales.
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Several analysts said copper could fall some more in the next couple of months due to this uncertain backdrop, and also because of slower seasonal demand during the vacation season and maintenance shutdowns in the Northern Hemisphere.
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