金属加工

Drilling from rear surface in contact with water, microholes with large aspect ratio were machined in soda-lime glass; With the change of laser focus inside two-photon absorption polymer, straight and wavy lines are polymerized.

以钛蓝宝石激光器为代表的近红外飞秒激光器又将制备精度向微米和纳米量级推进，而且材料几乎不受限制，已成功地在金属、半导体和绝缘材料中实现微细加工。

Metallurgy Engineering studies the production of metal and metallic compounds from ore or other resources, and the production of metallic materials with good processibility and performance.

冶金工程是研究从矿石等资源中提取金属及其化合物、并制成具有良好加工和使用性能材料的工程技术领域。

In addition to the machining process NC machine tools have also been developed for other metal working processes These machines the following.

此外，以加工过程数控机床也得到发展，为其他金属的工作程序，这些机器以下。

The stones and metals polished by our arts are not comparable to this jewel of Nature.

经过工艺加工的各种宝石和金属是无法跟这个大自然的珍宝媲美的。

The stones and metals polished by our arts are not comparable to this jewel of Nature.

经过工艺加工和各种宝石和金属是无法跟这个大自然的珍宝媲美的。

The stones and metals polished by our arts are not comparable to this jewel of Nature.

经过工艺加工得各种宝石和金属是无法跟这个大自然的珍宝媲美的。

Iron and steel materials to apply a wide range of reasons, first of all, the ingredients can be used to span, and from close to non-carbon content of pure iron to about 4% of cast iron, alloy, in this context, the phase structure and microstructure are great change; In addition, a variety of thermal processing is to process, in particular, metal heat treatment technology, a substantial change in composition and properties of alloys.

钢铁材料适用范围广阔的原因，首先在于可用的成分跨度大，从近于无碳的工业纯铁到含碳4％左右的铸铁，在此范围内合金的相结构和微观组织都发生很大的变化；另外，还在于可采用各种热加工工艺，尤其金属热处理技术，大幅度地改变某一成分合金的组织和性能。

Inside wall steel pipe after tidy up again use to gather the ethylene as lining material to melt to revolve to model a craft to process with the heat but become, make lining material and metals steel intertexture hot to merge into an integral whole, firmly gather knot in wall inside the piping after cool off, so then can batch quantity produce plastics compound steel pipe.

内壁清理后的钢管再用聚乙烯为衬里材料用热融旋转成型工艺加工而成，使衬里材料与金属钢交织热融为一体，冷却后牢固地聚结在管道内壁，这样便可批量生产衬塑复合钢管。

Several kinds of new structure bandpass filters with wideband performance are proposed, and the theoretical design, prototype deve...

提出了多种新结构的金属波导宽带滤波器，进行了理论设计、加工研制、实验和计算机仿真。

Special precaution must be taken when machining magnesium because this metal burns when hot.

特别的预防措施，必须采取时，加工镁，因为这金属烧伤时的热点。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。