单词	磨料--摩擦物
释义	磨料，摩擦物abrasives (grinding material)
随便看	forward recovery current forward recovery time forward recovery voltage forward reding forward reference forward reference of procedure entry forward reference type identifier forward reflection forward relay forward repositioning forward repurchase agreement forward resistance forward-reverse counter forward /reverse discordance forward /reverse signal forward robot problem-solving forward robot problem solving system forward roll forward-rotating wave forward rule based deduction system forwards forward-sacttering forward-sacttering angle forward-sacttering--angle forward sale