零件3

S m 3 = K m 3 / V m 3

S p 3 = K p 3 / V p 3

S A / D 3 5 = K A / D 3 5 / V A / D 3 5

零件4

S m 4 = K m 4 / V m 4

S p 4 = K p 4 / V p 4

零件5

S m 5 = K m 5 / V m 5

S p 5 = K p 5 / V p 5

...

...

...

...

...

小计

Sm

Sp

SA/D1

SA/D2

ST

S = S m + S p + S A / D + S T