大虾们帮我解释一下以下程序：
FUNCTION FC 75 : VOID
BEGIN
NETWORK
// BLD 131;
OPN DB 70;
NETWORK
TITLE = SHEAR LUBRICATION
A M 195.2;
A I 17.1;
A I 17.2;
A I 17.3;
L DBW 158;
SF T 12; // lube off filter time
NOP 0;
NOP 0;
NOP 0;
A T 12;
= M 101.2;