該水位計為開該污水過濾槽一側壁的水位透視窗，或一裝設在該污水過濾槽一側

該水位計為開該污水過濾槽一側壁的水位透視窗，或一裝設在該污水過濾槽一側的透明水位管，該透明水位管連通該污水過濾室。

結果 (英文) 1:

The water level gauge is on a side wall of the filter tank sewage water level transparent window or a transparent water tube mounted in the filter water tank side of the transparent tube communicating the sewage water filter chamber.

結果 (英文) 2:

The water level meter is a water-permeable window that opens one side wall of the sewage filter tank, or a transparent water level tube located on the side of the sewage filter tank, which connects the sewage filter chamber.

結果 (英文) 3:

The water level gauge is a water level perspective window on one side wall of the sewage filter tank, or a transparent water level pipe installed on one side of the sewage filter tank, and the transparent water level pipe is connected with the sewage filter room.