太阳能加热原油的热水系统不同于常用的太阳热水系统。
Solar water heating system in solar heating system for crude oil transportation is very different from the usual solar water heating system.
太阳能加热原油的热水系统不同于常用的太阳热水系统。
Solar water heating system in solar heating system for crude oil transportation is very different from the usual solar water heating system.
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