shimmed is shim's Past Participle

shim

US 
UK 
  • n.薄垫片;楔形填隙片;衬垫;夹铁
  • v.用薄垫片填入;拿填隙片塞;向…中插夹铁
  • Web及物动词
Plural Form:shims  Past Participle:shimmed  Present Participle:shimming  
n.
1.
薄垫片;楔形填隙片;衬垫;夹铁
2.
补偿棒;粗调棒
v.
1.
用薄垫片填入;拿填隙片塞;向...中插夹铁