carriage contract是什么意思

用法例句

The paper introduces automatic control system for carrying initiation explosive in the production of detonator and describes its detailed structure,working process,as well as the safety protection system.

文章介绍了自主研发的应用于雷管生产的运送起爆药自动控制系统,详细说明了运送起爆药自动控制系统的结构、工艺、安全保护系统。

This paper stood on district comprehensive transportation system, talked from the view of district sustainable development, pointed out the rationalization appraisal factors of district comprehensive transportation system and rationalization advice, hoped that each mode can have a balance between transportation speed and cost.

从区域综合运输系统的角度,给出了区域综合运输系统合理化的评价指标,并提出了合理化的建议,以使各运输方式能在平衡好运送速度和运输成本的前提下,找到各自合理的适用范围,实现系统效益的最优和资源的节省。