About price mechanism, it includes the question of the handling of export tax return policy.
在价格机制方面，包括对出口退税政策的把握问题。
The main return cam mechanism has been widely applied in the pump transportation mechanism.
主回凸轮机构在泵送机构中应用广泛。
The main return cam mechanism has been widely applied in the pump transportation mechanism.
主回凸轮机构在泵送机构中应用广泛。
应用推荐