shim
n. 垫片；填隙用木片；夹铁
vt. 用木片或夹铁填孔隙
过去式：shimmed 过去分词：shimmed 现在分词：shimming 第三人称单数：shims
英英释义
Noun
- a thin wedge of material (wood or metal or stone) for driving into crevices
例句
用作名词(n.)
- Add sealed shim between the two flanges and then lock down the bolt.安装时两法兰间需加密封垫片，然后均匀拧紧螺栓。