Ejecting and heating performance of the heater at low steam pressure was studied through the experimental method.

用试验方法研究了该加热器在低进汽压力下的引射性能和加热性能。

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If the pressure is too low, the central heating system will act up.

如果压力太低，集中供暖系统就会出毛病。

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Afterheat of iron and steel enterprises can be divided into two types - high grade and low grade. Residual pressure of heating steam is an important component of high grade afterheat.

钢铁企业的余热可分成高、低品位两大类。供热蒸汽的裕压是高品位余热的重要组成。

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"With today's low heating oil supplies, prices are bound to rise significantly, placing greater pressure on our most vulnerable consumers, " the lawmakers said.

CNN: US lawmakers urge firms to produce more heating oil