纵向的

The problem of synchrodrive for gantry-moving milling machines is researched, and two linear motors as traversing drive mechanism of gantries are applied.

针对龙门移动式镗铣床同步伺服问题进行了研究,并用两台直线电动机作为龙门柱纵进给的传动机构。

The wavy distribution curve of precipitation formed on the longitudinal-arranged underlying rangegorge landforms.At leeside of range, dry valley formed due to fohn effect.

纵的岭谷地形，形成明显的状起伏分布曲线，气流越过山岭后下沉气流带来“焚风”效应，形成干热河谷。