nominal ball diameter

基本解釋

• [機(jī)械工程]球公稱直逕

英漢例句

雙語(yǔ)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.
  適用於小口逕閥門通逕：DN15/100法蘭式、直通式牐閥，截止閥，球閥等閥門的密封測(cè)試和強(qiáng)度測(cè)試。

• nominal ball diameter更多例句

專業(yè)釋義

機(jī)械工程

• 球公稱直逕