In this paper, the modes selection of auto parts' inbound logistics was studied from the perspective of collaborative supply chain operations.

文中从供应链协同运作的视角研究汽车整车制造企业零部件入厂模式的选择问题。

The "primary activities" include: inbound logistics, operations (production), outbound logistics, marketing and sales (demand), and services (maintenance).

基础活动包括：运入物流，运行（操作生产），运出物流，营销与销售（需求）和服务（维修）。

Now although inbound logistics system has been made a great improvement in China, the automobile company must make more effort to win in the competition.

目前我国现行的汽车入厂物流体系虽然已经进行了不少的改进，但要在汽车行业竞争中脱颖而出，需要更大的努力。

In the end, the paper puts forward the optimization program which is the combining mode of the milk-run and underground logistics of the inbound logistics system.

本文通过对零部件入厂物流模式的研究，最终提出以循环取货和地下物流方式相结合的物流优化方案，希望能对汽车企业降成本具有实际的借鉴意义。

On the other hand, the selection of inbound logistics modes has become main conflict source of key operational links and node enterprises in the automobile supply chain.

另一方面，入厂物流模式的选择已成为汽车供应链中关键运作环节和节点企业矛盾冲突的主要来源。