It is this way, so the pump as a general-purpose machinery, machine-building industry which is one of important product categories.
正是这样，所以把泵列为通用机械，它是机械工业中的一类重要产品。
Heat Pumps - a heat pump is a machine or device that simply moves heat from one location to another.
热帮浦-热帮浦指的是将热从一处搬到另一处的机器或装置。
Heat Pumps - a heat pump is a machine or device that simply moves heat from one location to another.
热帮浦-热帮浦指的是将热从一处搬到另一处的机器或装置。
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