1·PKG series oil filter actually can release changing oil for compressor that caused by suspend feculence during the working.
P KG系列油过滤器实际上可免除由于循环过程中产生的悬浮固体污物而以往必须进行的换油工作。
2·The laser cutting will be affected infinitely not only in quality but also in efficiency if there are some rust, paint or other else feculence.
如果有锈蚀层、油漆层或其他污物，则激光切割的质量和效率将受到极大影响。
3·Based on the characteristics of pump assembly, the influences of hydraulic resistance of trash rack and feculence on pump unit operation are investigated.
根据水泵装置特性研究了拦污栅及其污物阻水对泵机组运行的影响。