导线必须与接触器后方对接。( )
A.The wire must touch the front of the contact. B.The wire must bond the rear of the contact. C.The wire must touch the rear of the contact.正确答案B
导线必须与接触器后方对接。( )
A.The wire must touch the front of the contact. B.The wire must bond the rear of the contact. C.The wire must touch the rear of the contact.正确答案B
