由于颈部要支持着头部的重量和转动，皮脂腺分泌又比脸部少，还有地心引力的作用。
As the neck to support the weight of the head and rotation, the sebaceous glands less off than the face, there is the pull of gravity.
头部平均重量是7-8磅——趴着的话对脸部可是不小的压力。
The average head weighs 7 to 8 pounds—a lot of pressure to be putting on your face every night.
头部：释放它的重量，让你感觉到水的支持(或缓冲)。
Head: Release its weight so you feel the water support (or cushion) it.
科学家们把当今的几种动物与恐龙相比，得出恐龙才是重量级的善于头部相撞pk的冠军。
Scientists have compared a dinosaur with several modern-day animals to settle who wins the heavy-weight head-butting title.
这可以防止肩膀的重量塌陷到你的脖子和头部。
This should help prevent the weight of the shoulders collapsing onto your neck and head.
相比它的尺寸，这只耳机重量非常轻，且耳罩对于头部的压力正合适。
The headphone itself is fairly light for its size and the clamping pressure of headband is just right.
平焊法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏，具有良好的密封性能。
Flat welding flange not only saves space, reduces weight, more importantly, to ensure that joints do not leak, has good sealing performance.
将头部重量平均吸覆，达到全方面支撑着，使你舒适安稳的入眠。
It can adsorb the head weights in average, and achieve fully support to have you sleep comfortably.
另外，这种跳板有较好的防滑表面，而且它们较轻的重量和弹性能将损伤，尤其是对头部的伤害减到最小。
They also feature superior non-skid surfaces, and the light weight and resiliency of the board tip minimise injuries, especially to the head.
及其建设(重量比身高)为即将在现代人类相同，但其头部和面对更大的比例。
Its build (ratio of weight to height) was about the same as the modern human but its head and face were proportionately much larger.
紧凑的法兰具有各方面的优点：标准法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏。
Compact flange with all the advantages: standard flange not only saves space, thereby reducing the weight and, more importantly, to ensure that there will be no leakage of joint positions.
紧凑的法兰具有各方面的优点：标准法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏。
Compact flange with all the advantages: standard flange not only saves space, thereby reducing the weight and, more importantly, to ensure that there will be no leakage of joint positions.
应用推荐