简答题\n 气门弹簧\n简答题\n 机构（英语）\n简答题\n 有效率的; （直接）生效的; 能干的;[ɪˈfɪʃənt]\n简答题\n 进气歧管 两个单词\n多选题\n 下面哪个词的意思不是“同时地”？ A. Simultaneously B. at the same time C. by the way D. meanwhile E. in the meantime \n简答题\n 最佳的，最优的; 最理想的; [ˈɔptɪməl] adj\n简答题\n 气门杆\n简答题\n 螺栓（写英文）\n简答题\n exhaust manifold\n简答题\n 上止点（3个词，小写）\n多选题\n 下面哪个不是润滑油经过的零部件？ A. oil pan B. oil pump C. camshaft bearing D. cylinder head cover \n简答题\n push rod\n简答题\n water pump中文（两个字）\n简答题\n 功能，作用; 应变量，函数; 职务; 重大聚会; [ˈfʌŋkʃən]\n简答题\n 歧管\n简答题\n 散热器（一个单词，8个字母）\n简答题\n fuel tank 翻译。答案两个字\n判断题\n 下面哪些个词的意思是配气机构？ A. Valve Train B. valve mechanism C. valve gear D. timing gear \n判断题\n 下面有关ECU的表述正确的是 A. The ECU determines precisely how much fuel needs to be delivered by the injector by monitoring the engine sensors. B. The ECU turns the injectors on for a precise amount of time, referred to as injection pulse width or injection duration, to deliver the proper air-fuel ratio to the engine. C. Its components are: engine sensors, electronic control unit, fuel injector assemblies and related wiring. D. The basic function of the ECU is to control the pulse width of the injector. \n判断题\n Engine crankshaft and connecting rod assembly is composed of A. piston B. piston rings C. connecting rods D. valves E. crankshaft \n