2. After they were
seated, the mother spotted a friend in the audience and walked down the aisle to greet her.
当他们入座后,这位母亲在观众中认出了她的一位朋友,便沿通道走过去向她问候。
3. All brackets shall be
seated correctly with side brackets parallel to frames and end brackets 90° to the frame. Brackets shall not be bent or twisted from normal positions.
所有的托架都必须正确布置,侧向支架要与框架平行,端部支架要与框架呈90°角。托架不得弯曲或从正常位置扭曲。