【简答题】逻辑题。 1. A man sells water. What does he first think of when he sees a river? Answer: _____ 2. A car travels at a speed of 40 mph over a certain distance and then returns over the same distance at a s...
【判断题】在多点电控燃油喷射式发动机上,每个气缸必须设一个单独的进气歧管,以消除进气波动和保证各缸进气均匀。
【单选题】I’m going to call a _______ to repair my car this afternoon.
【判断题】成形是指固态金属或非金属在外界压力作用下,借助于模具通过材料的塑性变形获得具有所需形状和尺寸的产品或制品。
【单选题】I’m going to call a _______ to repair my car this afternoon.