major component的用法和样例：
例句
- A parallel circuit that connects the major components of a computer, allowing the transfer of electric impulses from one connected component to any other.
数据传送总线，总线，母线联结计算机主要部件的一组平行导线，使得电脉冲得以在相联部件之间传输 - Any of various devices of which such a spiral is the major component.
有线圈的设备这样的螺旋线圈是主要部件的
