Separator thickness是什么意思

Separator thickness是什么意思 pipe lining thickness?翻译为中文是? bypass separator 是什么? product thickness thickness是什么意思 THICKNESS GAGE water separator bottom ply vacufoil the thickness of the pen 这里指的是“钢笔的什么” coating thickness什么意思 thickness of dry thickness of alum thickness什么意思 Tolerances on thickness thickness什么意思 thickness advection是什么意思 material thickness是什么意思 请问,这是什么意思System.getProperty(line.separator);谢谢System.getProperty(line.separator); thickness 4 iron minimum,Urgent!