使用寿命

Based on the analysis of the state of the forces borne by the transmission shaft of magnetic separator , the selection of tolerance in design and its effects on performances and serving life of magnetic separator are described.

在分析磁选机传动轴的作用及受力状态的基础上，论述各公差选择原则及对磁选机性能和使用寿命的影响。

High efficiency, smooth transmission, low noise, long life and other characteristics of the products of our factory has won a good reputation.

高效率，平稳传送，低噪音，使用寿命长等特点使我厂的产品赢得了较好的声誉。

Quenched internal cutting edge bucket and tooth,more strength and high durability.

配装高耐磨的刀板，精铸斗齿，提高了铲斗的使用寿命。

This paper introduces an advanced oil-mist lubricating manner, discusses the possibility of applying auto-oil mist lubricating to tobacco machine tools, researches the working state by comparison,and testifies to this way in saving lubricating oil,prolonging machine tools life,and improving product quality.

介绍了一种先进的油雾、油气润滑方式，探讨了对烟机切刀进行自动油雾润滑的可行性，对比研究了其润滑工况，证明采用该润滑方式可省润滑油用量，提高产品质量，延长切刀使用寿命。还简单介绍了相应的单片机控制的微油雾润滑系统的开发

It features big needle stitch, thick sewing material, high rotating speed, pressure-foot revival dual feed, bisynchronous feed for up feed, needle stem thread picking, bend needle drawing, eccentric positioning of principal axis, mechanical full-automatic lubrication to increase speed, ensuring the quality and prolonging the lifetime, making the material neat and regular with good-looking thread stitch and even needle pitch.

其特点：针距大，缝料厚，转数高，采用单压脚上下复活式双送料，双同步，上送料为双牙齿送料，针杆挑线，弯针勾线，主轴偏心定位，机械式全自动供油全润滑，提高速度，保证整机质量，延长使用寿命，使制品整齐，针距均匀，线迹美观牢固。

The minimum thickness of the drift eliminator piece is no less than 1.2 mm, and the service life≥20 years.

收水器片最薄处的厚度不小于1.2 mm，使用寿命≥20年。

The equipment and technology of the high-power twice atomizing arc spray in steel bridge anti-corrosion is investigated,owing to the shorter service life-span,the more frequency maintenance and the higher maintenance expense for steel bridge tar-paved layer.

设计拉法尔一次和扁平扇形二次喷嘴的二次电弧喷涂设备，采用无尘自动喷砂、电弧喷锌和喷涂粘结型封闭剂工艺的防腐蚀工艺技术，制造自动喷涂施工工装对钢桥面进行长效防腐蚀施工，为提高路面铺装层使用寿命提供保障

FS 33A is a mineral cutting oil blended from highly refined base oil and high quality EP additives including in-active sulphur and fatty oil. FS 33A can effectively improve tool life and surface finishing by preventing localised welding between chips and tools.

FS 33A 是一款矿物油切削油，由精炼的矿物油配合优质的不活性硫及脂肪等极压添加剂配制而成，能有效地防止刀具与碎屑之间的局部熔合，从而提高光洁度及刀具使用寿命。

FS 33 is a heavy-duty mineral cutting oil blended from highly refined base oil and high quality EP additives including active sulphur, in-active sulphur and fatty oil.

FS 33 是一款重负荷矿物油切削油，由精炼的矿物油配合优质的活性硫、不活性硫及脂肪等极压添加剂配制而成，能有效地防止刀具与碎屑之间的局部熔合，从而提高光洁度及刀具使用寿命。

Its properties of coupling, strength-increasing and antioxidant can improve strength and longevity of dental material.

文章介绍了木质素的结构、特性以及在临床中的应用，证实了木质素复杂的多级结构及较多活性反应基团使其具有许多优异特性，其中偶联、增强和抗老化等作用若能应用于口腔材料，则有望提高口腔材料的强度并延长使用寿命。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。