含蜡热油管道在设计及实际运行过程中，油品密度、粘度、比热容沿程随温度变化，沿线流型与流态也不断变化，这些都是计算管道温降必须考虑的因素。
The density, viscosity and heat capacity of waxy crude oil is changed along with the temperature drop and flow type and the flow patterns are different along the pipe during the design and operation.
轻轨沿线的停靠站将会是新建的高密度住宅区。
Stops along the route are candidates for new high-density housing, she says.
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