Commodity, service, capital and technology cross the border rate of flow is more and more big.

商品 、 服务 、 资本和技术越过边界的流量越来越大.

互联网

The rate of flow of fluid , particles, or energy through a given surface.

速度较低的紧靠物体表面的流体层.

互联网

Balancing valve is used to regulate and measure the rate of flow of water.

流量平衡阀用于调节和测量水的流量.

互联网