加强型小型化可热插拔光收发模块
SFP+ optical transceiver module
小型小功率直流电磁继电器
miniature low power electromagnetic DC relay
小型型钢
small-sized section steel
light shape
small section
merchant bar
Small-section
light section
小学校舍
Schoolhouses in elementary school
增强型小型磁盘接口
enhanced small disk interface
增强型小型装置接口
enhanced small device interface
ESDI