tracers 是什么?(工艺管线设计)? piping, equipment and instruments designed to handle fluids with a possibility of freezing will be traced, even if tracers / insulation are provided. 看不懂,已经提供 tracers / insulation 了,为什么还有trace呢? 设计输送可能会冻结的流体管道、设备与仪表将有伴管,即使提供有信号故障寻检器/保温。查看更多