短语词组短语straightway valve [机]直通阀;直通阀;纵贯阀straightway E 直接地outright straightway 立刻地straightway ad 立即straightway setup 串列式布置straightway drill 直槽钻头directly straightway 径直straightway cock 直通旋塞algebraic straightway 代数通达 返回 straightway