基本解釋汽閥帽英漢例句雙語例句Valve body and bonnet are separated by diaphragms in order to prevent valve parts, such as bonnets and steam from corrasion;閥躰與蓋被中間隔膜隔開，使得隔膜上方的閥蓋，閥桿等零件不受介質(zhì)侵蝕；steam valve bonnet更多例句