At present, the application of creeper in our province is concentrated on urban afforestation, mainly used in vertical greening and protection of bank and road.
目前,爬山虎的应用在我省主要集中在城市园林绿化方面,大多用于垂直绿化和护坡护路。
Earliest use of switch with semi-cylindrical bank and shaft with vertical and rotary motions.
最早使用具有半圆形排线架的交换机和具有垂直和旋转运动方向的轴。
应用推荐