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
| old plant | 旧工厂 |
| one piece | 整块 |
| on demand | 被请求时 |
| on request | 被请求时 |
| operational equipment | 操作设备 |
| order (comm.) | 订单 |
| order confirmation | 订单确认 |
| order receipt | 收到订单 |
| outer contour | 外形 |
| outer ring | 外环 |
| outer skin | 表层 |
| output guaranty | 产量保证 |
| outside diameter | 外径 |
| outside sealing | 外部密封的 |
| outside slot | 外开槽的 |
| out diffusion | 扩散 |
| out diffusion of softeners | 软化剂扩散 |