Well-functioning pneumatic system的意思|示意

运作良好的气动系统 Well-functioning pneumatic system » 运作良好的气动系统 The children were running and playing in the snow » 孩子们正在运行和在雪地里玩耍 ..

气动系统运作良好 ... what about your yesterday » 你昨天怎么样 Well-functioning pneumatic system » 气动系统运作良好 ten to three . » 十到三。 ...