[单选]A . V=P/4,V=0B . V=0,V=PC . V=0,V=P/2D . V=P/4,V=Pl2
[单选]A . V=P/4,V=0B . V=0,V=PC . V=0,V=P/2D . V=P/4,V=Pl2
发布时间:2025-07-24 17:30:53
[单选]A . V=P/4,V=0B . V=0,V=PC . V=0,V=P/2D . V=P/4,V=Pl2
A、w = c v m
B、w = c v - m
C、w = c v k
D、w = c