管子螺纹 meaning in English
gas pipe thread
pipe thread(ing)
Examples
- Aerospace series - pipe coupling 37 spherical , up to 21000 kpa - inch series - technical specification ; german and english version en 4560 : 2003
航空航天系列. 21000 kpa及以下的37 ?球面管子螺纹.英
gas pipe thread
pipe thread(ing)