DF4D diesel locomotive, one of the most common locomotives for trains with passengers.
DF4D内燃机车，最常见的牵引客车的机车之一。
DF4D series Diesel Locomotives designed and manufactured by Dalian Locomotive Works, are a group of locomotives that utilize 240/275ZJD series diesel engines.
大连机车车辆厂研制的东风4D系列内燃机车，是以240/275ZJD系列柴油机为动力的一组机车的统称。
The system has been applied to the training system for electric drive system of DF4D and DF11 locomotive as well as for the circuit of 25k air-conditioner power generation car.
该系统已在DF4D型、DF11型机车电传动培训系统和25 K空调发电车电路培训系统中得到正式运用。
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