| 摘要 |
<p>In the totalising water meter, the head (1) of the meter is joined to the body (2) of the meter by a thread (3), in the manner of a nut, so as to clamp between themselves the gasket (4) and the sealing plate (5), and, mounted on the head (1) by appropriate means, is a plastic cover (9) with a window, designed to hold in the head (1) the totaliser (6). <IMAGE></p> |
