求翻译：（3）不易结垢易清洗：壳体中无盲区，壳程和管程上的涡流降低了污垢的生产。在这一点上传统的管壳式换热器就已经比板式换热器不容易产生污垢。在同样条件下螺旋扁管换热器壳程压力降器比传统的管壳式换热器低，可产生较高的流速，从而降低了纤维质的阻塞，产生的污垢较少，即使产生污垢，螺旋扁管换热器中螺旋扁管排列提供了螺旋形的清理通道，只需用清洗液进行冲洗即可。是什么意思？

(3) easy to clean and difficult to scale: no blind spots in the shell, the eddy current on the shell side and tube to reduce the production of the dirt. At this point, the traditional shell and tube heat exchanger than the plate heat exchanger is not prone to dirt. Under the same conditions spiral f

(3) is not easy-to-carry make easy-to-clean: housing, no dead spots, and Shell and tube reduces the turbulence on the dirt. At this point, the traditional shell-and-tube heat exchanger plate type heat exchanger has been more than a dirt is not easy. Under the same conditions in spiral-bian tube heat

(3) difficult to scale and easy to clean: no blind area in the shell, shell and tube, in Eddy current reduces the production of dirt. At this point than traditional shell-and-tube heat exchanger plate heat exchanger is not prone to fouling. Spiral flat-tube heat exchanger under the same conditions t