...管道;输水阻力;测试;减阻 [gap=1201]Key words:concrete;pipe;resistance of water conveyance;test;decrease the resistance ...
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You want to decrease the resistance to act as much as you can.
你想,以减少阻力,以法高达你可以。
The wind machine can decrease the resistance and improve the wind energy using ratio.
本风力机能减小阻力,风能利用率高。
The reason is that the modern production technics limit some behavior habits and decrease the resistance and immunity, so the require for environment become more and more severe.
究其原因是现代生产工艺限制了猪群的某些行为习性,使猪的抗逆性、抵抗力和免疫力下降,造成对环境的要求越来越严。
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