double speed eleetromotor的用法和樣例：
例句
- The key idea of the new design is a 2-degree-of-freedom seven-bar linkage mechanism driven by a large constant speed motor and a small servomotor.
該設計的核心思理是由大功率的常速電機和小功率的伺服電機混合驅動一個兩自由度的平面七桿機構。 - In factories, it can design the simplex winding multiple-speed motors to change the type of winding attachment about the current single speed motors.
在工廠中，通過對現有的單速電機進行繞組改繞來設計單繞組多速電機。
