使用寿命

LNV oval gear flow meter is a joint venture company with Japan Ao Baer production of high precision flow meter long life can be measured the flow of oil and water.

LNV椭圆齿轮流量计是与日本奥巴尔公司合资生产的高精度长使用寿命流量计可测油及水的流量。

It is very convenient to use them. Beside this, they cannot be oxidated and the service life is long.

使 用方便，不会氧化，使用寿命长久，全球统用，最新一代环保产品。

Durable and lasting:optimalize entire structure,prolonging machine life.

结实耐用：整体结构优化，延长使用寿命

Application of erfc in fixation process of laser printer and numerical solution;2. This Paper outlines the fundamental chemical reactions of the fixation process of the silver halides emulsion layer of photographic materials and the composition of rapid access fixer of laser phototypesetting film,the function and behavior of its constituents,and also directions for its proper use,e.

本文阐述了感光材料卤化银乳剂层定影过程的基本化学反应和适用于激光照排胶片的高温冲洗套药中的定影药液的组成，其作用和配比以及使用时的注意事项，如：胶片定影容量与定影液的使用寿命、定影的浓度、定影温度、定影时间、药液的搅拌与循环、定影液的消耗与补充、水洗与影像质量、定影液的保存和定影过程的正确操作等等。

The only way to effectively ensure the brake pump performance, extended life, play a role in security.

只有这样，才能有效地保证泵的制动性能，延长使用寿命，起到安全保护作用。

Connecting rod in the movement of inertia and centrifugal force considerable power in the working conditions for connecting rod with high intensity, light weight, although good, strong resilience, life-long characteristics.

连杆在运动中形成的惯性力和离心力相当大，在这样的工作条件下，要求连杆有强度高、重量轻、刚性好、韧性强、使用寿命长的特点。

Connectingrod in the movement of inertia and centrifugal force considerablepower in the working conditions for connecting rod with highintensity, light weight, although good, strong resilience,life-long characteristics.

连杆在运动中形成的惯性力和离心力相当大，在这样的工作条件下，要求连杆有强度高、重量轻、刚性好、韧性强、使用寿命长的特点。

The home and overseas situation of present research work on thermal analysis of roller bearings is reviewed.

高速滚子轴承的发热直接影响着轴承的工作性能和使用寿命。

Thirdly, the roller mechanics equation was introduced, and by dint of ANSYS the radial force that roll steel force in roller was work out, which provides the premises to count the bearing service life.

推导了导辊力学计算方程，并首次借助ANSYS计算了轧件对导辊径向作用力，为计算轴承使用寿命提供了必要的前提条件。

Composed of round door frames, gate, rack , sealing strip, adjustable structure of sealing , this kind of sealing principle is door frame is fixed on square pipe of pool and wall, rack is fixed on door frame and wall, through rack opens and closes till weld block of gate meets with weld block of rack to make sealing surface of gate close to sealing surface of door frame to achieve sealing .Besides , sealing of gate and sealing of door frame are made of inlaid copper which is well resistance ,It makes valve with well sealing ,wear resistance , corrosion resistance, easily operation, convenient installation , long life , wildly usage.

本闸门是由圆型门框、闸板、导轨、密封条、可调整密封机构等部件组成，其密封原理是门框固定于水池圆型管道及墙壁上，导轨固定门框与墙壁上，闸板通过导轨做启闭动作，直到闸板上的锲块碰到导轨条上的锲块，使得闸门密封面紧靠门框上的密封面，从而起到密封效果，另外闸板密封面跟门框密封面都是镶铜材质的，具有耐磨损的特性，使得阀门密封密封性好、耐磨性强、耐腐蚀、操作简单、安装方便、使用寿命长、适应性广等特点。

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。