The forming of axial parts by extrusion is discussed. The horseshoe axle in the brake of a flat headed lorry was taken as an example for analysis, calculation and testing.
提出轴类零件成形采用挤压工艺这一方法，并以平头车刹车蹄片轴进行挤压实验为实例进行分析与计算。
Now, while the rest of the group walked up a gully scanning for fossils, Berhane Asfaw and I headed down onto the flat plain to the spot where the skull had been found.
当小组中的其他人走入一条岩沟寻找化石时，我和博哈恩·阿斯范则下到那块平坦的平原之上，想探寻一下发现颅骨的地方。
Surely Mr Friedman (author of "the World is Flat") and company are right about where we are headed even if they exaggerate how far we have got?
除去被夸张的部分，佛理德曼先生(《世界是平的》的作者)与跨国公司们对于改变趋势的判断就一定正确嘛？
As we headed back to Nicolas's car, we noticed a flat tire.
当我们走回尼可拉斯的汽车时，发现有一个轮胎瘪了。
All of us piled into Peter's car and headed back to the flat.
我们都挤进了彼德的车子返回公寓。
By the time I headed home to my flat, I felt slightly sheepish.
等到我返回我的公寓时，我觉得有些胆怯。
According to Belotserkovskii's method, using a series expansion and boundary layer method, an analytical solution for axisymmetric 'hypersonic flow over a flat-headed body has been obtained.
根据方法，使用级数展开和附面层方法，得到了轴对称高超音速绕流平头物体的一个解析解。
Assembly tools for screws and nuts - Double-headed, flat and offset, box wrenches - Length of wrenches and thickness of the heads.
螺钉和螺母用装配工具。双头平直和弯头套筒扳手。扳手长度和端口厚度。
Assembly tools for screws and nuts - Double-headed, flat and offset, box wrenches - Length of wrenches and thickness of the heads.
螺钉和螺母用装配工具。双头平直和弯头套筒扳手。扳手长度和端口厚度。
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