standard drive meaning in English

标准传动装置

Quick installation guides provide an abbreviated explanation of standard drive installation procedures
快速安装指南简述标准的硬碟安装程序。
The smart part can be used in the small space . it has two lengths . it also has two different standard drives . the sizes : from # 4 to # 6 , and from m3 to m4
小巧、紧凑的设计能够使用在有限的小空间里，两种螺丝的长度。有通用的加减槽型与梅花一字槽。螺纹规格从# 4到# 6 ， m3到m4 。