Each medal has a jade inlay, a flat jade disk with a hole in the center.
每块奖牌都有碧玉镶嵌，其形状扁平，中间有孔。
Drilling on inclined surfaces has such problems as the decrease of hole accuracy and damage of tools compared with the drilling on flat surfaces.
斜面上钻孔与平面上钻孔相比，由于加工初期条件差，孔的相对位置精度低，刀具更容易折损。
Centipede seam drilling capacity is very strong, it tends to sensitive antennae and flat panels on the first hole to test the joints, rocks and through most of the land or habitat gaps.
蜈蚣钻缝能力极强，它往往以灵敏的触角和扁平的头板对缝穴进行试探，岩石和土地的缝隙大多能通过或栖息。
In the construction period of some flat earthwork deep hole blasting, the price of blasting materials was rising, so how to save the cost was the main problem faced the project.
某场平土石方深孔爆破施工期间，恰逢爆破器材价格上涨，如何节约爆破成本是此工程面临的主要问题。
Angle flange Standard. Flat flange: Specify hole pat-tern. If no drawing provided, flange will be blank.
角法兰标准。平板法兰：指定孔模。如果没有提供的图纸，法兰将为空白。
A circular hole equals to the cylinder of the jointing component and gaps through which the nylon can fall down are reserved in the vicinity of the opposite Angle at the bottom of the flat triangle.
在平面三角底边对角的近处，预留下与连体构件的圆柱体相当的圆洞和尼龙丝可以落下的缝隙。
Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.
通过与平底孔试块实际缺陷回波信号的对比，验证了脉冲超声波有限差分法模拟计算的有效性和正确性。
Floor morphology of un-flat surface type constitute complicated space system by metamorphosis in ways of joint, folding, rupture, topological multi-hole system, and so on.
非平面型楼板其楼板形态经过接合、折叠、断裂、拓扑多孔体等多种方式的蜕变，构成了复杂性的空间系统。
The result indicates that the desired flat-like polyester filaments can be made by an reasonable design for spinneret micro-hole and high-speed spinning.
试验结果表明，通过合理的微孔设计，在高速纺丝条件下，可制得理想的狭扁形涤纶长丝。
The utility model relates to a multi-functional stationery board, which comprises a flat board and is characterized in that a pen holder and a notebook connecting hole are arranged on the flat board.
本实用新型涉及一种多功能文具板。它包括平板，其特征在于：所述 的平板上设有笔座和笔记本连接孔。
The inner part of a shaft end hole of the backstop is connected with a driven shaft through an expansion bush and a double flat key;
在逆止器的轴端孔内通过胀套和双平键与从 动轴连接；
Experiments showed that the bursting pressure of hole-slot flat rupture discs calculated by the formula well met the requirements of engineering.
实验结果表明，用本文公式计算孔槽型平膜片的爆破压力，完全符合工程要求。
Film cooling effectiveness of hole rows on leading edge of turbine blade has been studied experimentally. The model is a blunt body with a half cylinder leading edge with two flat side walls.
采用放大的半圆柱状表面模拟涡轮叶片前缘的形状，对叶片前缘单排及两排圆柱形孔的气膜冷却效率进行了测量。
The artificial stone table top has high strength, flat surface, high brightness, engine oil permeation resistance, and no crack and air hole.
该人造石台面的强 度有大幅度提高，而且表面平整度高、光泽好；防机油渗透；无裂纹和气孔。
Equivalent calibrations of short horizontal hole artificially defects and big flat-bottomed hole artificially defects or calculation equivalent of big flat-bottom are adopted.
采用短横孔人工缺陷和平底孔人工缺陷的当量标定或用大平底当量计算法。
The utility model relates to a rotary two-pole flat plug, suitable for a two-hole and three-hole flat jack socket using an AC power supply.
一种可旋转的二极扁插头，适用于交流电源两、三眼扁插孔插座。
The utility model relates to a rotary two-pole flat plug, suitable for a two-hole and three-hole flat jack socket using an AC power supply.
一种可旋转的二极扁插头，适用于交流电源两、三眼扁插孔插座。
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