| 1. | Industrial valves - method for sizing the operating element 工业阀门.工作元件分级的方法 |
| 2. | Standard classification for life - cycle environmental work elements - environmental cost element structure 寿命周期环境工作元件的标准分类.环境损耗元件结构 |
| 3. | Information technology . open systems interconnection . service definition for the association control service element 信息技术.开放式系统互连.相关控制工作元件的工作定义 |
| 4. | A kind of novel large liquid discharge pump that takes a pair of conjugate wheel as the working component has been put forward 摘要提出了一种以一对共轭轮为工作元件的新型大排量液体泵。 |
| 5. | Information technology . open systems interconnection . connectionless protocol for the association control service element . protocol specification 信息技术.开放式系统互连.相关控制工作元件无连接协议.协议规范 |
| 6. | Information technology . open systems interconnection . connection - oriented protocol for the association control service element . protocol specification 信息技术.开放式系统互连.相关控制工作元件定向连接协议.协议规范 |
| 7. | Figure 2 - 2 shows a typical electromechanical relay with the main operating elements labeled and a scheme for actuating the armature 图2 - 2所示为一个典型的机电式继电器,其中标出了主要的工作元件以及激励枢轴机构的示意图。 |