A.跑偏開關(guān) B.拉繩開關(guān) C.防撕裂裝置
A.順時(shí)針,逆時(shí)針 B.逆時(shí)針,順時(shí)針 C.順時(shí)針,順時(shí)針
A.6 B.8 C.10