搜题
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第1题

An economical method of organizing much of the subject matter of chemical engineering is based on two facts: ①although t
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第2题

At given temperature and pressure, a fluid possesses a definite density, which in engineering practice is usually measur
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第3题

The behavior of fluids is important to process engineering generally and constitutes one of the foundations for the stud
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第4题

In metals, thermal conduction results from the motion of free electrons, and there is close correspondence between therm
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