线对称 meaning in Chinese

line symmetry

Handle is not symmetrical about stem centerline . dimension shown represents the longest operational radius
手柄并不是关于中心线对称。表中的尺寸表示最大操作半径。
When need to install two respiration valves , the two valves should be symmetrical distributed with the center line of the tank
当需要安装两个呼吸阀时两阀应以罐中心线对称分布。
The distribution of streak width along the lateral direction shows that the width attains its maximum value at the central line and becomes narrower toward the side wall , and its distribution is symmetrical about the central line of the flume
低速带宽度在水槽中心位置最大，往两边的边壁逐渐减小，而且在横向上相对于水槽中心线对称分布。低速带间距与宽度的比值约为2 0 。