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This in turn increases and prolongs tool life at increased machining conditions for all types of workpiece materials.

应用于各种被加工材料的切削条件的改善，有序地提高了刀具寿命。

The weight percentage for the components of the hyaline coating is as follows: SiO2 45 to 54 percent, B2O3 15 to 20 percent, one or more of Na2O, K2O and Li2O, 10 to 24 percent, one or more of TiO2, ZrO2 and ZnO, 6 to 18 percent , and the rest is one or more of CaO, MgO and CeO2. Firstly, the glass powder is mixed with the mill additions to be pulped and then plated on the surface of titanium or the titanium alloy. After being dried, the surface of titanium or the titanium alloy is directly used for a thermal hydrogen treatment or smelted at a temperature of 900 to 1, 000 DEG C for 15 to 30 minutes and then a hyaline coating with a thickness of 20 to 70 micrometers is formed on the surface of titanium or the titanium alloy; secondly, titanium or the titanium alloy plated with the coating is conducted a thermal hydrogen treatment. After the treatment technique is finished, the coating flakes off automatically in the process of cooling; and finally, a surface treatment is supplemented to meet the requirement of the workpiece surface.

该玻璃质涂层成分按重量百分比：45-54SiO2，15-20B2O3，10-24Na2O、K2O、Li2O中的一种或多种，6-18TiO2、ZrO2、ZnO中的一种或多种，余量CaO、MgO、CeO2一种或多种，将玻璃粉与磨加物混合制浆并涂覆在钛或钛合金表面，干燥后直接用于热氢处理，或在900-1000℃下熔烧15-30min，在钛或钛合金表面制得20-70微米玻璃质涂层，随后将制有该涂层的钛或钛合金置于氢气气氛下进行热氢处理，处理工艺结束后，涂层在冷却过程中自剥落，最后辅以表面处理即可满足工件表面要求。

Because lathes also can do drilling and reaming, their versatility permits several operations to be done with a single setup of the workpiece.

由于车床还可以用来钻孔和铰孔，车床的多功能性可以使工件在一次安装中完成几种加工。

Because lathes also can do drilling and reaming, their versatility permits several operations to be done with a single setup of the workpiece.

由于车床还可以用来钻孔和铰孔，车床的多功能性可以使工作在一次装夹中进行几种加工。

In addition,this fluid can prolong the service lives of cutting tools and grinding wheel,enhance their working efficiency,and decrease the surface roughness of the workpiece as well, instead of the traditional saponified oil and emulsion.

它是由防锈剂、抗磨剂、防腐剂和多种表面活性剂复配而成，具有优良的冷却润滑和清洗防锈能力，能延长刀具和砂轮的使用寿命，提高工件表面光洁度和工作效率，可代替传统的皂化油和乳化液。

The two spindles are located on either side of a heavy workpiece and remove material from both sides simultaneously.

二个纺锤位于在一个重的制件的每一边并且从双方同时取消材料。

A fastener for installation into a workpiece which may be installed by either a swaging operation or a torquing operation.

一种用于安装到工件(28)上的紧固件(20)，其可以通过模锻操作或者旋拧操作进行安装。

For tilting or swivelling of the workpiece around a defined axis between the final positions 0° and 90°.

对于倾斜或周围的最后立场之间的0 °和90 °界定轴工件回转。

The variation rule of grinding force was explained with surface topographies of wheel and workpiece.

分析了修锐前后砂轮表面与对应磨削试件表面的微观形貌机理，解释了影响磨削力变化的因素。

Many tones of pressure can be applied to workpieces with little effort while operating the new Mechanical Power Vises, which will never loosen the grip on a workpiece by itself.

仅需小操作力便可对工件施加不同压力；除非用手动方式，否则在夹持过程中压力绝不释泄。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。