This paper introduces the application of real time system of computer in oil-refining industry, gives the theory and method setting up gasoline-final boiling point model.
介绍了计算机实时系统在炼油工业的应用，给出了建立汽油干点模型的理论及方法。
The initial setting time of Portland cement shall not be earlier than 45 minutes, final set time not later than 390 minutes.
硅酸盐水泥的初凝时间不得早于45分钟，终凝时间不得迟于390分钟。
The initial setting time of Portland cement shall not be earlier than 45 minutes, final set time not later than 390 minutes.
硅酸盐水泥的初凝时间不得早于45分钟，终凝时间不得迟于390分钟。
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