排气管线 meaning in English
blow off pipe line
exhaust line
exhaust pipeline
Examples
- Remark : additional exhaust lines to the system ( the exhaust line for used helium and the line from chamber evacuation pump ) will be required
备注:另外要求到系统的排气管线（用于使用后的氦气和从真空箱抽真空泵的排气管线） 。