This paper analyzes the relationship between highway geometric design and traffic safety, and points out matters needing attention in design for safety and corresponding measures.
分析了公路几何设计与交通安全的关系，提出了公路几何设计中应该注意的安全问题及相关措施。
Forming technology of PVC decoration panel is introduced and points for attention in the course of extrusion mould design and manufacture presented.
介绍了PV C装饰板的成型工艺，指出了挤出模具设计与制造过程中要注意的问题。
Harms resulting from cavitation in throttling of fluids and preventive measures are briefly presented, and points for attention are proposed in process design.
简述了流体在节流减压过程中的空化现象所造成的危害以及预防措施，同时提出工艺设计中需要注意的问题。
应用推荐