开关元件 on off element; on-off element; switching element; switching member; triode th ... 电子开关元件 electronic switching element ..
权威例句
1.
Scarlets recycled, a fine pass from Knoyle - preferred at scrum-half to 2010 Wales Six Nations squad member Martin Roberts - switching the attack from right to left.
BBC: Scarlets 25-8 Ulster
2.
But before the young staffer can answer, he's in the member's office, switching his focus from his spreadsheet to the size and layout.