（）is the general meaning of the contract bill note and proof in the process of logistics. logistics activity 。 logistics documents 。 logistics paper 。 documents。
Without（）, supply chain management doesn’t work. A Logistics information system 。 cable 。 Internet 。 computer。
Pipelines are not （） Labor-intensive 。 capital-intensive 。 tech-intensive 。 Low cost and high return。
调车线两端设有调车信号机和轨道电路时，其有效长为（）的距离。（A、3、X）[05-00-02-03][010101] 一端调车信号机至另一端警冲标。 两端警冲标。 一端调车信号机至另一端绝缘节。 两端调车信号机间。
For small and medium-sized companies, those logistics management is still（） decentralized 。 centralized 。 integrated 。 concentrated。
The large market share of transportation in China is （）transport.
