支承钢板 meaning in Chinese

supporting steel plate

Place all testing devices on the testing machine in the following order : bearing plate , emery cloth ( with the granular surface facing upward ) , the resilient pad to be tested , emery cloth ( with the granular surface facing downward ) , short rail ( make sure the short rail is placed within the action area of the resilient pad to be tested )
把试验装置安放在试验机上，安放顺序为：支承钢板、砂布（有砂粒面朝上）、被测弹性垫层、砂布（有砂粒面朝下）、短钢轨（确保短钢轨放置在被测轨下弹性垫层起作用的区域）。