【单选题】The sensor provides instantaneous manifold pressure information to the engine 's control unit(ECU)
【判断题】催化重整是炼油和石油化工的重要生产工艺之一,其目的产物主要是石油芳烃。
【单选题】The appearance of the used car is , it's much newer than it really is.
【单选题】What is the name of the sensor that monitors the amount of oxygen in the engine’s exhaust gases?
A.
The air mass flow sensor
C.
The manifold absolute pressure sensor
D.
The throttle position sensor
【简答题】A sensor’s ( ) indicates how much the sensor’s output changes when the measured quantity changes
【单选题】学生无故缺课时数累计超过规定教学时数的( ),课程成绩以零分计。
【简答题】合金工具钢按用途分为哪两类?并简述合金工具钢应具备哪些性能?
【简答题】A sensor's sensitivity indicates how much the sensor's output changes when the measure quantity changes.
【简答题】营养液每次输入剂量不超过()ml,间隔时间不低于()小时,输入时温度保持恒定在()°