bogie car是什么意思

用法例句

The research of the molding system for the castable polyurethane tire is introduced, mainly including the design and development of the core mold, outer mold and rotatable frame.

介绍聚氨酯浇注轮胎成型系统的研究,主要包括芯模、外模及翻转架的设计和研制。