Drawing on their practical experience, they designed an air-cooled diesel motor.
Drawing on their practical experience, they designed an air-cooled diesel motor.
他们利用自己的实践经验，设计了一台气冷柴油机。
Drawing on their practical experience, they designed an air-cooled diesel motor.
他们利用自己的实践经验，设计了一台气冷柴油机。