单词	垂丝水准仪
释义	垂丝水准仪level plumb line
随便看	facsimile mail facsimile modulation facsimile network facsimile posting facsimile printer facsimile receiver facsimile receiving converter facsimile recorder facsimile recording facsimile reporting code facsimiles facsimile service facsimile set facsimiles {=fax} facsimile signal facsimile signal converter facsimile signal level facsimile-signal level facsimile signal simulator facsimile signature facsimile standard facsimile switching facsimile switching unit facsimile switching unit--fsu facsimile switching unit，fsu