sawtooth的用法和样例：
词汇搭配
- bootstrap sawtooth generator 仿真线路锯齿波振荡器...
- inductive sawtooth generator 感应锯齿波发生器...
- field sawtooth 场锯齿波
- bootstrap sawtooth sweep generator 自举锯齿波扫描振荡器...
- free running sawtooth generator 自激锯齿波发生器...
- capacitive sawtooth generator 电容式锯齿波发生器...
- sawtooth oscillator 锯齿波振荡器...
