subscribern.签署者；捐献者；订户subscribevt.订阅；签名；支持；捐赠；同意subscriber data file用户数据文件subscriber rs marker用户标志器subscriber line busy用户线忙subscriber equipment用户设备subscriber extension用户分机subscribe for shares认购股票subscriber behaviour用户状态subscriber fuse tube用户熔丝管subscriber of shares[法] 认股人subscriber line data用户线数据