单词	flow of materials
释义	flow of materials 物质流
随便看	internal sphincterotomy internal sphincter reconstruction internal spinal vein internal spinned pipe internal spinning internal spiral Internal spiral for flange connection Internal spiral raceway internal spiral sulcus internal spline internal splined shaft bushing internal splined sleeve internal spline nut internal splines Internal split Internal spontaneous fistula Internal spot extraction equipment internal spraying internal spring safety relief valve internal spur internal spur gear internal squeezing internal squint internal sram internals support ledge