retarding device 的近义词 14 个

• damper
• restraint
• anchor
• constraint
• control
• curb
• deterrent
• discouragement
• hamper
• hindrance
• hurdle
• obstacle
• rein
• cinchers

retarding device 的反义词 7 个

• assistance
• catalyst
• encouragement
• help
• incentive
• opening
• accelerator