A.蓄電池正極 B.蓄電池負(fù)極 C.點(diǎn)火開關(guān)
A.0.1~0.3V B.0.1~0.5V C.0.1~0.7V D.0.1~0.9V
A.16~95 B.10~95 C.6~95