单词	ohv
释义	ohv. abbr.overhead valve 机械顶阀
随便看	signatron signatum signatural signature signature ad referendum signature algorithm signature analysis signature analysis method signature analyzer Signature and seal of the principal SIGNATURE AND STAMP OF SHIPPER Signature and typed full name signature authentication header signature authority signature authority address signature bank approach signature-based signature-based detection signature-based intrusion detection system Signature Block signature bonus signature book signature brand signature by facsimil signature by facsimile