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the service life of mould 模具寿命
Of combusting arc, and improve the service life of load fuse box. 和消弧材料的损耗,以提高载熔件的使用寿命。
Keep clean filter can prolong the service life of the chiller. 保持过滤网干净可以延长冷水机的使用寿命。
The service life of a machine depends chiefly upon how it is being used. 机器的寿命主要取决于它如何使用。
Such an initial lubrication will also extend the service life of the bearing. 这种初次注脂也能延长轴承的使用寿命。
The farmers try hard to lengthen the service life of their farm tools. 农民们想尽一切办法延长农具的使用年限。
The instable voltage of power grid shortens the service life of street lamps. 电网供电电压不稳定，致使路灯的使用寿命缩短。
Great improvement has been brought about in the service life of springs by hot peening. 用锤头连续敲打金属表面的方法大大地延长了弹簧的使用寿命。
It is not considered meaningful to try to estimate or calculate the service life of an FW bushing. 估计或计算FW轴套的使用寿命被认为是缺乏意义的。
An enterprise shall analyze and judge the service life of intangible assets, when it obtains intangible assets. 第十六条企业应当于取得无形资产时分析判断其使用寿命。
Micro-adjusted lubricators can procvide an even double coat of lubrication to greatly improve the service life of die. 冲压材料能上下两面薄薄均匀给油,可提高模具的寿命。
The main bearing uses oil containing bearing, therefore extending the service life of the nachine. 主轴采用自动供油润滑,延长机器使用寿命。
Replaceable seat extends the service life of the valve. Resilient seats can be easily replaced after removing valve from the line (Details on page 12). 可更换的阀座延长了阀门的使用寿命。把阀门从管路上拆卸下来后，可以轻松地更换弹性阀座（细节请参阅第12页）。
Some metals ,such as cobalt,nickel,chrome and so on ,can corrade the element in high temperature melting state and affect the service life of element. 部分金属如钴、镍、铬等在高温熔化状态可以对元件造成侵蚀，影响元件的寿命。
Pneumatic system is lubricated automatically. The service life of the product is long. 气动系统自动润滑.;产品使用寿命长
Via the modification of side gap of knife counterpart,the service life of knife was improved. 通过对影响剪刃侧隙因素的调整和改进,有效提高了剪刃的使用寿命。
The position of the gas dampener's diaphragm receptacle at the top or bottom affects the service life of the diaphragm. 气体减弱器隔膜容器的位置在顶端或底部会影响隔膜的使用寿命。
Brand new bearing prolongs the service life. 全新轴承，增加使用寿命。
Plastic sheaves are put to a test and the result shows how the service life of the rope extended. 本文介绍了塑料绳轮能有效地延长钢丝绳寿命的试验情况,并提供了有关试验结果。
The selection of suitable materials will lengthen the service life of the burners. 分析烧嘴的易损部件,选用合适的材质,以延长烧嘴的使用寿命。