drag head [机] 耙头 ; 阻力水头 ; 耙吸式挖泥船的
drag head ladder [船] 耙头梯架
active drag head [水运] 主动耙头
suction type drag head 纯吸式耙头
rotor head drag 旋翼头阻力
head-drag coefficient 头部阻力系数
fluid drag and head loss 水流阻力和水头损失
If Serbia ends its EU bid, it will head into isolation, and may drag all of the western Balkans with it.
如果塞尔维亚撤销加入欧盟的申请，它就会走向孤立，而且可能使整个西巴尔干半岛都倒向它的一边。
Keeping head down and in line reduces drag.
头降低在身体直线上会减少阻力。
Lifting your head is bad swimming technique, it causes your legs to sink - adding lots of drag.
抬头是很糟糕的游泳技巧，它使腿部下沉，增加不少阻力。
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