Vpa«T
@
j [
OΦ
@
Φ
as₯dic
/
zd
k/
spt φ ΝTmν (sΔt sonar).
A
nti-
S
ubmarine
D
etection
I
nvestigation
C
ommittee
€ΠOnline Dictionary © Kenkyusha Co., Ltd. 2004.
OΦ
@
Φ