求翻译：但业内人士透露，市民选购时不能单看节水量，一些商家声称仅有2至3升用水量的并不可靠，这种座便器的冲洗力很难达到要求，容易造成管道堵塞。是什么意思？

But industry sources, the public can not just look at the time of purchase the amount of water, some businesses claim that only 2-3 liters of water is not reliable, that toilet flushing is difficult to meet the requirements, likely to cause pipe blockage.

However, industry sources, the public cannot simply look at when purchasing volume of water section, some business people claimed that it was only a 2 to 3 liters of water will not be reliable, such toilet flushing power is very difficult to meet the demand, and is prone to causing pipe plug.

But the professional disclosed, the resident selects and purchases when cannot only look the saving water quantity, some businesses declared only has 2 to 3 to promote the water volume not to be unreliable, this kind of place bedpan flushing strength very inaccessibility requests, easy to create the

But industry sources, the public purchase not only look at the amount of water-saving, some businesses claim that only 2 to 3 litres of water are not reliable, the toilet flush force is difficult to meet the requirement, can easily cause pipe plug.

But the professional disclosed, the resident selects and purchases when cannot only look the saving water quantity, some businesses declared only has 2 to 3 to promote the water volume not to be unreliable, this kind of place bedpan flushing strength very inaccessibility requests, easy to create the