grain handling unit是什么意思

用法例句

It recounts the continuous transports,the discontinuous load-and-unload transports,the air-pipe transportation device and the pallets,and the application in the wood industry.

概述了木材工业企业各种物流设备及其应用情况,分别介绍了带式运输机等连续运输机械、手动液压搬运车等间歇动作装卸运输机械、气力输送以及托盘的应用情况。