共 15 条
[11]
SIEWIERDIENKO WP, 1976, ULTRAZWUK PLASTICZNO
[12]
Smith A. W., 1975, Ultrasonics International 1975, P210
[13]
Tarpley W.K.K, 1961, NYO10005 AEC
[14]
WINSPER CE, 1962, 8TH INT MACH TOOL DE, P1349
[15]
YOUNG MJR, 1975, 15TH INT MACH TOOL D, P551