求翻译：手动变速器必须根据汽车运行条件的变化，由驾驶员随时变换挡位，要求驾驶员能对离合器踏板、油门踏板及变速操纵杆进行准确地协调配合，从而保证汽车具有良好的动力性和经济性，因此手动机械变速器换挡频繁、劳动强度大、会分散驾驶员的注意力，增加了不安全因素。是什么意思？

Manual transmission must be based on changes in vehicle operating conditions, at any time by the driver change gear, the driver can accurately coordinated with the clutch pedal, gas pedal, and variable-speed joystick in order to ensure the car has good power and economy. manual mechanical transmissi

A manual transmission car run must be in accordance with the changed conditions, at any time by the operator to move the gear, the clutch pedal to the operator, throttle pedal and shift lever for precise coordination with, to ensure that the car has good power, and economic, and therefore Manual Mec

The manual transmission gearbox must act according to the automobile movement condition the change, along with time-variable shifts gears the position by the pilot, requests the pilot to be able to the clutch pedal, the accelerator pedal and the gear-shift lever carries on accurately the sychromesh,

Manual transmission must be according to the change of vehicle running conditions, by the driver's shift gear at any time, require drivers to the clutch pedal, throttle pedal and shift control lever for precise coordination, so as to ensure that the car has a good power performance and fuel economy

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