This increases their air-resistance and reduces the shock of impact when they hit the ground.

這樣就增加了空氣的阻力影音先锋强奸，減少撞擊地面時的震蕩強度在线看毛片A片。

This increases their air-resistance and reduces the shock of impact when they hit the ground .

這樣的行為增加了他們的空氣阻力视频一区二区男人的天堂国产大片免费，然后減少了他們撞到地面的巨大沖擊力国产一区二区AV在线。

The present case needs to reduce the air-resistance to the minimum.

現(xiàn)在需要的是把空氣阻力減小到最低限度天天干天天操天天爱天天日天天。

Have you taken the air-resistance into consideration?

你把空氣阻力的因素考慮進去了嗎？

This increase their air-resistance and reduces the shock of impact when they hit the ground.

這樣就加大了空氣阻力真实迷奸在线观看，并減小了它們著地時沖擊力帶來的震動无码H肉在线观看免费一区。

Reduces air-resistance to provide a 10-20% more CFM than conventional dust collectors：減少空氣阻力提供了更多的10-20 %運行比常規(guī)除塵器

Clear plastic collection bags colle... | Reduces air-resistance to provide a 10-20% more CFM than conventional dust collectors減少空氣阻力提供了更多的10-20 %運行比常規(guī)除塵器 | Transparent bags make it ...