常見例句雙語例句Body and bonnet joint accurately machined. Gasket materials on page 3, details on page 13.閥體和閥帽連接部位經(jīng)過精密機(jī)加工。 密封墊材料請參閱第3頁,詳細(xì)內(nèi)容參閱第13頁。Valves in these classes are also available with spiral wound gasket bonnet joints when specified.如果需要,這種壓力等級的閥門也可配置螺旋盤繞或環(huán)連接墊圈。 返回 bonnet gasket