1) FDV Fuel Decel Valve
燃油减速控制阀
2) FDC Fuel Deceleration Control
燃油减速控制
3) DCV Deceleration Control Valve
减速控制阀
4) fuel control valve
燃油控制阀
5) retarder control valve body
减速器控制阀体
6) retarder hand control valve
减速器手控制阀
参考词条