1. Published bibliographies rarely give level indicators, and publishers' information tends, in this respect, to be unreliable.

2. Detailed traffic flow condition and congestion level indicator.

3. There are also various second - level indicators under each first - level indicator.

4. It is a high - level indicator of whether all APs are functioning normally.

5. Each level indicator symbolizes a particular time of the year.

6. The utility model discloses a level indicator support of a spreading machine,[ ] which is composed of a mounting rack and a connecting rack.

7. Skewness inspection when the level indicator in the impeller means to balance the side plate.

8. It is a level indicator of whether all APs are functioning normally.

9. The level indicator coverage shall cover the control range plus any alarm or shutdown levels.

10. The structure, principle and performance of the magnetic transfer type of float ball liquid level indicator as well as its application in VPI are introduced in this paper.