底片水迹产生原因与消除方法

(,116041)CAUSEOFWATERMARKONRADIOGRAPHICFILMANDMEASURESFORITSPREVENTIONSONGJian2bo(DalianNo.2FreezingMachineFactory,Dalian116041,China):TG115.28:B:100026656(2002)12205482011(1),,,,,(2),,,(3),,,,,,(4),,,,,,,,,,2(1),:20012082201min(30s),,(2)(),,,(3),,(4),,,,3,,,,111120031137,200210451,:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.