ECD系统能精确地确定柴油机运转时的最佳供油量
参考答案:对
根据网络所使用的传输技术可将计算机网络分为______和______两类。
After the long journey, the three of them went back home, _____. [ ]
A. hungry and tiredly
B. hungry and tired
C. hungrily and tiredly
D. hungrily and tired