flapper造句怎么写

Electric or hydraulic flapper valves are usually equipped with non-metal sealing butterfly valve system to use.

Take an empty two-liter soda bottle, wash it out, fill it with water, screw the lid on tightly and set it into your toilet tank, as far away from the flapper valve as possible.

The simple print dress with a waist line and longer hem length replaced the flapper attire of the 1920's.

According to structural characteristics of a flapper valve, flapper valves, butterfly valves, ball valves, diaphragm valves, Angle valves, through the valve, three-way valve.

Check toilets for silent leaks by putting a few drops of food coloring in the tank; if the color shows up in the bowl indicating a leak, fixing it may be as simple as replacing the toilet's flapper.