释义 |
wash.erH5wBF7E5, $5wB:7FLn [C]a flat ring of metal, rubber or plastic which is put esp. between a screw or BOLT and a surface in order to improve the connection between them垫圈Washers can also be used between joined pipes to seal their connection or between moving parts to prevent damage from rubbing.垫圈也可用在管道连接口之间予以密封,或者用在移动的部件之间,防止摩擦造成损坏。
|