蚀的

Actually, abdominal etching is not something new.

其实，腹部蚀刻并不是新的东西。

Finally, we discussed the current oscillation in etching process.

本文研究了刻蚀中出现的电流振荡现象。

The present invention relates to a process for etching metal and alloy surfaces and to the products of such process.

本发明涉及一种蚀刻金属和合金表面的过程和这一过程的产物。

Considered from their chemical aspect, photographic etching resist systems can be divided into three groups.

从它们的化学方面，摄影抗蚀系统认为可以分为三组。

His etching s and drawings never went out of fashion.

他的蚀刻画和素描从不过时。

In the process of PCB manufacture, etching is one of the most important steps to decide the final performances of products.

在印制电路制作过程中，蚀刻是决定电路板最终性能的最重要步骤之一。

Points that are Burned or oxidized can be cleaned with a thin, fine-cut contact file or stone.

烧蚀或氧化的部分可磨修，用细锉刀或细磨石小心清除。

It determined replacing material for the cylinder and the heat-insulation hanging piece would be replaced by the home-made firebrick s.

通过对烧蚀损坏的低热值燃气轮机单筒燃烧室检查、分析，找出了损坏原因，确定筒体替代材料，开发国产耐火砖替代隔热挂片，对燃烧室进行了修复，积累了检修经验和技术数据。

Some innovative approaches were presented to resolve the problem existing in the first generation of boost compressor by increasing the flow area of fluidics nozzle to decrease pressure drop and erosion attack, adding a new flow path in order to improve boosting effect of the second piston bore, connecting a bypass valve in parallel with throttle valve to set a partial flow and regulate pressure drop.

针对第一代样机存在的问题，提出了改进措施：①增加射流元件喷嘴过流面积来降低压耗和冲蚀破坏；②在射流元件输出道与二级活塞缸之间增加新流道，提高二级活塞缸增压效果；③在节流阀位置并联旁通阀进行分流稳压。

The results showed that the friability, abrasion and particles size distribution properties related to microstructure and source of mineral formation of limestone.

结果表明：石灰石的易碎性、磨蚀性、物料粒度特点与石灰石微观结构及矿物成因有关。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。