The theoretical base was provided by the model to the maintenance support ability building of self-propelled gun effectively.
该模型可以为自行火炮装备的维修保障能力建设提供理论依据。
The theoretical base was provided by the model to the maintenance support ability building of self-propelled gun effectively.
该模型可以为自行火炮装备的维修保障能力建设提供理论依据。
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