swing producer

基本解释

The pressure swing gas producer is a kind of equipment which can directly produce gas with certain pressure and making use of pieces coal.
變壓煤氣發生爐是一種以碎煤爲原料直接生産帶壓原料煤氣和燃料煤氣的制氣設備。
In the nineteen seventies, a record producer urged Willie Nelson to record these classic examples of western swing.
早在二十世紀七十年代，一位唱片制片人就敦促威利尼爾森灌制這些西部搖滾樂的經典曲目。

That should ensure that the Saudis remain the swing producer, and thus ultimate price-setter, in the market.
ECONOMIST: A surprise cut in oil supplies
The KSA is still the swing producer in play, and the one state that America needs to keep onboard to exercise broader geopolitical optionality elsewhere.
FORBES: U.S. Energy Independence: A Small Sanity Check
The country is fast becoming to such agricultural commodities as soyabeans what Saudi Arabia is to oil: a swing producer, whose decisions can sway the world market.
ECONOMIST: Another gene genie out of the bottle The