
NOISE BARRIERS AND RELATED DEVICES ACTING ON AIRBORNE SOUND PROPAGATION - NON-ACOUSTIC PERFORMANCE - PART 2-2: MECHANICAL PERFORMANCE UNDER DYNAMIC LOADINGS CAUSED BY PASSING TRAINS - CALCULATION METHOD
出版:Comite Europeen de Normalisation

專家解讀視頻
NOISE BARRIERS AND RELATED DEVICES ACTING ON AIRBORNE SOUND PROPAGATION - NON-ACOUSTIC PERFORMANCE - PART 2-2: MECHANICAL PERFORMANCE UNDER DYNAMIC LOADINGS CAUSED BY PASSING TRAINS - CALCULATION METHOD
出版:Comite Europeen de Normalisation
專家解讀視頻