备用发电机和燃料存储罐之间怎么有两个油管相连?# Engineering - 工程c*g2008-07-08 07:071 楼我看图纸上,有两条油管,一条从油管进入发电机,另外一条从发电机到储油罐,这是怎么回事?难道是回流吗?还是用燃料油冷却发电机?多谢指导。
a*82008-07-08 07:072 楼One for fuel return. The fuel pump works best at certain flow rate, which isnot always the fuel burning rate, so extra fuel is dumped back to tank tokeep the pump rate optimum.