primary device

• 主设备

primary device的用法和样例：

例句

1. If the main device fails, the backup can take over, duplicating all the encryption parameters, that were in force.
   如果主设备失灵，备用设备可切换过来，将所有有效的加密参数复制下来。
2. The important significance of dynamic response analysis for primary components under accident conditions and the research status at home and abroad were reviewed.
   回顾了主设备在事故工况下动态响应分析的重要意义以及国内外研究的现状。