The invention also discloses portable water purifying equipment.

本发明还公开了一种便携式水净化设备。

Hindustan Unilever spent four years developing its battery-powered portable water-purification system called Pureit.

联合利华旗下的印度子公司Hindustan Unilever花了4年时间开发出电池驱动的便携式净水器“Pureit”。

Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.

如果有相配的电压，可以煮少量水的便携式热水装置是有用的。

However, a new method could lead to portable desalination devices simple enough to run off solar power or a battery, but powerful enough to supply a family, or even a small village, with clean water.

然而，一种新的方法可能会导致一种便携式的海水淡化装置，它简单得足以赛过使用太阳能或电池的，然而其功能却强大得能满足一个家庭，甚至一个小村庄的清洁用水。

Fire trucks were due to be replaced by portable pumps and the water supply from seawater to fresh water.

他们计划用消防车来取代便携式水泵，用淡水取代海水。