Points of knowledge: selection of single reactor and the most optimum operating temperature, selection of reactor type for the complex reaction.
知识要点：单一反应反应器的选型与最优操作温度的确定，复合反应反应器的选型。
An electric blanket that is wrapped around the tyres before they are fitted to the car so that they will start closer to their optimum operating temperature.
车胎在装上赛车之前就包裹着车胎的电子加热毯，这样当发车起步时车胎的温度能够更接近最佳运转温度。
An electric blanket that is wrapped around the tyres before they are fitted to the car so that they will start closer to their optimum operating temperature.
车胎在装上赛车之前就包裹着车胎的电子加热毯，这样当发车起步时车胎的温度能够更接近最佳运转温度。
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