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With the continuous use of humidifier, evaporator core (browser) will continue to reduce the efficiency, capacity humidification also been declining.

随着加湿器的不断使用，蒸发芯（器）的效率会不断降低，加湿量也随之不断下降。

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In some cases, the use of pulse current still can reduce the lumber, improve the hydrogen cathodic current efficiency, thus reduce pinhole, striped and hydrogen brittleness, etc.

在某些场合下，使用脉冲电流还可以减少氢的析出、提高阴极电流效率，从而减少针孔、条纹和氢脆等。

youdao

Of the six sectors needing transformation to increase efficiency and reduce oil use -- cars, trucks, planes, fuels, finance and military -- three or four are near or past their tipping point and starting to get easier.

CNN: Freeing America from its addiction to oil

Existing techniques and technologies in energy efficiency retrofitting can reduce energy use by up to 40 percent per home and lower total associated greenhouse gas emissions by up to 160 million metric tons annually.

WHITEHOUSE: THE WHITE HOUSE

It says the way to reduce paper use lies in cutting consumption in industrialised countries, improving papermaking efficiency, and using more recycled paper and materials other than wood in manufacture.

BBC: Half paper waste 'could be saved'