螺栓在法兰的对面。
AThe bolts are on the opposite side of the flange.
BThe bolts are on the rear side of the flange.
CThe bolts are on the across side of the flange.
AThe bolts are on the opposite side of the flange.
BThe bolts are on the rear side of the flange.
CThe bolts are on the across side of the flange.