- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
起動(dòng)機(jī)電磁開(kāi)關(guān)內(nèi)的吸合線圈兩端分別為（）
A.開(kāi)關(guān)點(diǎn)火端至外殼
B.開(kāi)關(guān)點(diǎn)火端至B+主觸點(diǎn)
C.開(kāi)關(guān)點(diǎn)火端至去電樞的主觸點(diǎn)
D.B+柱至去電樞的主觸點(diǎn)
B.開(kāi)關(guān)點(diǎn)火端至B+主觸點(diǎn)
C.開(kāi)關(guān)點(diǎn)火端至去電樞的主觸點(diǎn)
D.B+柱至去電樞的主觸點(diǎn)
