简答题\n 风冷\n判断题\n 下面哪个是“组成。。。”或“由。。。组成”的意思？ A. be composed of B. consist of C. comprise D. include E. is taken as \n简答题\n 张紧轮（一个词）\n简答题\n 进气歧管\n简答题\n 摩擦，摩檫力（英语，8个词）\n简答题\n 空燃比 三个单词，第一个和第二个单词用-隔开\n简答题\n 机油泵\n多选题\n DOHC has （） camshafts per head。 A. 1 B. 2 C. 3 D. 4 \n简答题\n Crankshaft is located at the base of the V on a V-type engine 正确 错误 \n简答题\n cooling system中文（4个字）\n判断题\n EFI system can be divided into three small system: A. sensor system B. the fuel system C. air induction system D. the electronic control system \n多选题\n In modern car engines, valves are often located in the cylinder A. block B. head C. bottom \n多选题\n an ideal air-fuel ratio is A. 14.7:1 B. 1 C. 1:14.7 D. 不确定 \n简答题\n 曲轴正时带轮\n简答题\n 节气门 2个单词\n简答题\n 气缸\n简答题\n 排气冲程\n多选题\n 翻译：连杆包括连杆小头和连杆大头，连杆轴，连杆盖和螺栓。 A. The connecting rod connects the piston to the crankshaft. B. The connecting rod can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates. C. The connecting rod consists of the connecting small end and the big end, shank,rod cap and bolts. \n简答题\n （使）循环; （使）流通; （使）流传; 散布; [ˈsə:kjuleɪt] \n简答题\n 挺柱\n