nominal ball diameter
常見(jiàn)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(mén)通徑：DN15/100法蘭式、直通式閘閥，截止閥，球閥等閥門(mén)的密封測(cè)試和強(qiáng)度測(cè)試。 返回 nominal ball diameter