falling net of water table 地下水位下降
The water table is falling fast in densely populated and poor regions of China, Mexico and India.
在中国、墨西哥和印度人口稠密的贫穷地区，地下水位在急速下降。
Turning on and turning off operation to the water falling filter can be carried out as long as the handle of the draw lever on a table top is operated.
本实用新型只要操作台面上的拉杆手柄即可对落水滤器进行开、关操作。
应用推荐