Most of them are cumulative flow measurement of water. Generally divided into two types: volumetric water meter and speed water meter. The former is more accurate than the latter, but it also requires high water quality, and it is easy to block when water contains impurities. Mainly refers to the instrument for recording the water consumption of tap water, which is installed on the water pipe. When the user releases water, the pointer or character wheel on the instrument rotates to indicate the amount of water passing through.
The extension on the network is:
1. Someone was arrested by the police for publishing illegal or destabilizing news on the Internet.
2. bar owners, who has permission to delete posts, should check whether there are any watered posts or posts in the post bar, and delete them if they meet the requirements. Mostly used for satire and ridicule.
Water meter circle, also called water meter calibration, is often used for satire and ridicule. There are also extended sayings such as sending express delivery, checking water and electricity, and community send warm. For example:
(1) If someone posts or comments, the onlookers will vomit and check the water meter.
(2) When someone posts vulgar content in a health forum, moderators or other passers-by usually say, "Open the door! Check the water meter! "