nominal ball diameter
基本解釋
- [機械工程]球公稱直徑
英漢例句
- It's suitable for the small caliber valve nominal diameter: airproof test and strength test of DN15/100 flange type, through-type gate valve, cut-off valve and ball valve etc.
適用于小口徑閥門通徑：DN15/100法蘭式、直通式閘閥，截止閥，球閥等閥門的密封測試和強度測試。
雙語例句
專業(yè)釋義
- 球公稱直徑