Remove the four screws that attach the flange to the cover( )
A.拆下把法兰盘固定到口盖上的四个螺钉 B.把固定法兰盘的四个螺钉移到口盖上 C.用四个螺钉把法兰盘固定到口盖上正确答案A
Remove the four screws that attach the flange to the cover( )
A.拆下把法兰盘固定到口盖上的四个螺钉 B.把固定法兰盘的四个螺钉移到口盖上 C.用四个螺钉把法兰盘固定到口盖上正确答案A