123 | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z
| raising | 上升 |
| raising and lowering | 上升和下降 |
| recess | 凹口 |
| record | 记录 |
| refurbish | 再磨光 |
| refuse | 废物 |
| rejected heat | 废热 |
| rejection | 废品 |
| reprocessing unit | 再处理装置 |
| requirement | 要求 |
| resistance to alkalis | 耐碱性 |
| roughen | 使变粗糙 |
| roughened | 使变粗糙的 |
| rubber lining | 橡胶衬里 |
| rubber scrap | 橡胶废物 |
| runner | 浇注通道 |
| runner less | 无浇口的 |