词汇	feedback roller
释义	feedback roller 测速压辊
随便看	surfaces reconstruction surfaces rendering surfaces roughness Surfaces speedily corrugated surfaces strengthening surfacest surface stabilisation surface stability surface-stabilizing agent surface stabilizing treatment surface stacking chart surface stain surface staining surface standing wave surface state surface-state surface state charge surface-state charge density surface state concentration surface state density surface-state distribution surface state effect surface state of electron surface states surface state theory