二、以柴油主機為動力之船舶，從加油後儲油於儲油櫃，至燃油藉由噴油閥噴入氣缸內燃燒，乃由許多油櫃及輔機設備構成一燃油系統。試依據裝置順序繪出一般柴油主機燃油系統，並說明各裝置之作用。（25 分）

四、請將下列英文翻譯成中文：（15 分） The piston reciprocates in the cylinder between two fixed positions called the top dead center(TDC)-the position of the piston when it forms the smallest volume in the cylinder, and the bottom dead center(BDC)-the position of the piston when it forms the largest volume in the cylinder.