英语词汇“gravity held check valve”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	gravity held check valve
释义	gravity held check valve [网络] 重力式单向阀
随便看	probationerships probationery period probation home probation hostel probationism probationist probation offenders probation officer probation officers Probation of First Offenders Act probation of offenders Probation of Offenders Act probation of will probation order probation period probation rate probation report probations probation service probationship probationships probation system probatio plena probative probative effect 天道皇皇，日月以为常。天道盈而不溢，盛而不骄，劳而不矜其功。天道祸淫天道祸自怨起而福由德兴天道福善祸淫。天道而迁易，人理无常全。天道至教。天道贵信，地道贵贞。天道贵信，地道贵贞；不信不贞，万物不生天道远，人道迩。フォルティシモ［fortissimo］フォルテシモフォルテ［forte］フォルトフォルト［fault］フォルムフォルム［forme］フォロワーフォロワーシップフォロワーシップ［followership］