But stressed constantly the approach speed use factor the enhancement caused the approach speed to surpass the controllable scope, brought the disadvantageous influence to the taking off speed change.

而一味强调助跑速度利用率的提高使助跑速度超出了可控范围，对起跳速度变化带来不利的影响。

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Swinging leg should actively swing forward after taking off the board to lower horizontal speed loss and improve the jumping speed.

摆动腿蹬离地面后积极前摆对加快起跳腿的下压着板、减少水平速度损失、获得较大的腾起初速度有利。

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Highly developed capillary structure, absorb the capacity tallly , suck, taking off the speed of enclosing quickly, it is effectual to purify.

高度发达的微孔结构，吸附容量高，脱附速度快，净化效果好。

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