The drag-link conveyer, which is important equipment in the coal production, plays an important role for the safety of the whole mining face.
刮板输送机是煤矿生产的重要运输设备，对于整个工作面的安全起着至关重要的作用。
2
To establish a link, click the blue ball on the edge of the source component, hold down the mouse and drag the link to the target component.
要想建立一个链接，请单击源组件边缘上的蓝色球，按住鼠标并将链接拖动到目标组件。
3
Because you only want to pass through the data, select the input link DSLink3 that contains all the input columns and drag-and-drop it onto the output link DSLink4.