But when flying forward the air passing over the blade that is advancing to the front of the helicopter (and so into oncoming air) provides more lift than the one that is retreating to the back.
但是当向前飞行时,它的旋翼将转向直升飞机的前方(如此一来,就变成朝向迎面而来的空气),经过叶片上方的气流将比经过叶片背面的气流产生更大的升力。
Much of the time, the fins are sliced off with a blade at sea and the bloody shark torso thrown back in the water to die.
大多数时候,人们在海上用刀把鱼鳍割下来,然后便将血淋淋的鲨鱼躯干扔入海里,任由它们死去。
Whether you're aiming for layers of plywood or cardboard or a bale of hay, if that foot-long blade hits an Angle, it could come ricocheting back at you.
不管是几层胶合板、纸板还是一大捆干草,万一飞刀打在不平的表面上,它很可能会朝你自己反弹回来。
It cut deep: the edge of the blade reached to the back of his throat.
这一砍砍得极深,锋刃已经触及到喉部后侧。
Anthony saw the black steel edge of the snowplow blade hit the young child under the chin, driving his head back and scraping over his face.
安东尼看到车辕黑色金属刃的边缘击中了那孩子的下巴,并把他的头硬撞到后面并直接刮过了他的脸。
The blade stood still for a moment, then skimmed down the back of my neck.
刀片停留了一会儿,然后移到了后勃颈。
On our way back I began to realize what benefit the retrieval of this blade ment for the alliance.
返回的路上,我意识到了这把利刃的的寻回对联盟来说的益处是什么。
Standard machine is installed MD-100 dedicated system and PLC controller, Adjustment of shearing counting, back gauge, shearing Angle and blade gap is simple and convenient.
标配采用MD- 100专用系统及PLC控制器,剪切计数、后挡料、剪切角及刀口间隙的调节直观、简单、方便。
Therefore, small dirt and moisture will enter into the back surface of blade through these pores.
因而,微小的脏东西及水分就会透过这些小孔,顺流到刮刀后表面。
The way that two kinds of different potentiometer feeding back the blade gap value in adjusting mechanism of CNC shear have been introduced.
介绍了数控剪板机刀片间隙自动调整机构中两种不同电位器反馈刀片间隙值的方式。
The motor drives the back of the press blade to move forward and backward via the gears and gear arm to realize the purpose of punching easily and quickly;
由电机通过齿轮、齿臂带动压刀梁作前后运动,达到冲孔轻松、快捷的目的;
The utility model relates to a back wheel of a spiral plowing farmland tillage tool, which comprises a ring blade, a back wheel made form rubber or other materials, and a back wheel fork.
本实用新型是一种旋耕式农田耕作机械的尾轮。它由环型刀片,胶尾轮或其它材料制成的尾轮,尾轮叉组成。
By using 3d solid model, the twist-back Angle of steam turbine twisted long blade with integral shroud was analyzed and calculated.
采用三维实体模型,对自带围带的汽轮机扭曲长叶片的扭转恢复角进行了计算分析。
Blade of Epiphany (Upgrade) : "I was dead I tell you, and the Arch-Angel Michael brought me back."
显灵之刃(升级):“我跟你说,我当时死了,但是大天使米迦勒又将我救活了。”
Blade of Epiphany (Upgrade) : "I was dead I tell you, and the Arch-Angel Michael brought me back."
显灵之刃(升级):“我跟你说,我当时死了,但是大天使米迦勒又将我救活了。”
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