权威例句
Automatic Flushing Cisterns
WC flushing cistern
MEANS FOR ACTUATING THE FLUSHING ACTION OF AN AUTOMATIC FLUSH CISTERN
A Device for Applying Oil or Other Liquids to Flushing Cisterns
Control device for automatic flushing systems
Automatic flushing system for urinals
A high flow diaphragm valve.
Towards Touch-Free Spaces: Sensors, Software and the Automatic Production of Shared Public Toilets
Valve with roller
Toilet flushing apparatus
