求翻译：4.教练车车子是化油器式的，最好保养一下，疏通油路和气路，以保证有良好的油气混合比，启动装置要良好有效，如阻风门要良好，操作自如，自动的要检查灵活有效，因为这关系冬季有良好的起动性能，不能忽视。还要检查空气滤清器，它关系启动的油气混合比，很重要，电喷的要根具使用时间调整和清洗节气们总成，低温加浓装置和空气流量传感器等，这几个装置对发动机有较大影响，对起动性能尤其重要。柴油机要换相应的低温柴油，检修柴油油路。是什么意思？

4 coach car is carbureted cars, the best care about, and clear the way oil and gas, oil and gas to ensure good mixing ratio, a good starter to an effective, such as the choke to be good, to operate freely, to be automatically Check the flexible and effective, because it has a good relationship betwe

Coach 4 car carburetor-car is the best way to maintain a smooth flow, oil and gas road road, with a guarantee that there will be a good start, and the combined oil and gas installations than to be good and effective, such as obstruction to throttle operating it with ease, automatic of good, flexible

4. driver training car vehicles are the carburetor -like, best maintains, the unblock oil duct and the air course, guaranteed has the good oil gas mixture ratio, the starter wants good effective, if the choker must be good, the operation freely, automatic must inspect nimbly effective, because this

4. the coach car car as carburetor, preferably a bit, clear the way oil and gas, to ensure that there are good prospects for oil and gas mixing ratio, starter to good effective, such as choke well, operating freely, to automatically check the flexible and effective, because it has good starting perf

4. the coach car car as carburetor, preferably a bit, clear the way oil and gas, to ensure that there are good prospects for oil and gas mixing ratio, starter to good effective, such as choke well, operating freely, to automatically check the flexible and effective, because it has good starting perf