| 1. | Bw - w external steel sleeve tube bw - f fan coil joint Bw - f型风机盘管接头 |
| 2. | Specification for wrought carbon steel sleeve - type pipe couplings 锻制碳素钢套管接头规范 |
| 3. | Bw - w external steel sleeve tube Bw - w型外加钢网套通用软管 |
| 4. | Standard specification for wrought carbon steel sleeve - type pipe couplings 锻制碳素钢套筒型管联接器标准规范 |
| 5. | Therefore , the cylinders in most aluminum engines are lined with iron or steel sleeves 因此,在大多数铝制发动机的气缸内镶有铸铁或者钢的轴套。 |
| 6. | This specification covers the manufacture , supply , acceptance testing and inspection of a number of centrifugally cast steel sleeves to be used for rolling canstock aluminium strip in a cold mill 此规格包含了几种用于卷动冷轧机中的罐料铝条的离心铸钢套管的制造、供应、验收测试和检验程序。 |