“中心线”用英语怎么说

“中心线”的拼音为：zhōng xīn xiàn...

一名士兵站在道路中心线上，一只胳膊高高举起。A soldier stood on the centre line of the road, his arm upraised.而且他们发现,沿裂谷中心线也有暖水点.They, too, found warm - water spots along the center of the rift valley.得到不同的中心线投射角度及 X 线曝射参数.Obtain the different...