Work 100 , 000 hours without maintenance ; imported longevous 200w electrical machine , passed the 3c certification . save electricity and be mute 引进超长寿命的200w电机， 10万小时工作无故障，并通过3c品质认证，保证低耗能静音运行，更符合绿色环保标准。
Abstract : the principle concept of long life sealing riveting , features of rivet with compensating tip and the special requirements on composite riveting are introduced 文摘:介绍了长寿命密封铆接的基本概念、带补偿头铆钉的特点以及复合材料铆接的特殊要求。
Long life : a ( liquid o - ring ) seal is formed by using an inert , stable , low vapor pressure magnetic fluid . units have been in operation for over ten years with no maintenance 长寿命特性： "液体o型密封圈"由一个稳定的磁性流体构成，其装置可长期使用10年无需维修。
Life cycle . qgvi vacuum products are designed with compressor duty bearing in a compressor service airend . this translates into extended product life and lower cost of ownership 长寿命周期。 qgvi真空产品的主机里设计有重负荷轴承。这有助于延长产品寿命，降低维护费用。
Non - olatile random - access memory . a type of ram that retains its data een when the system is powered down . nram frequently consists of an sram and a long - life battery 非易失的随机访问存储器。一种能在系统关机的情况下保持它的数据的ram 。 nram常常由sram和长寿命电池组成。
Even quality long service life and high discharge rate , work safety , maintenance - free operation and sealed construction , prompt delivery 330 days , reasonable price , good services , making yr maximum profit 04年4月19日10 : 03产品具有质量稳定，使用安全，长寿命设计等特点
A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime , zero electric charge , and zero rest mass 引力微子一种假想粒子，被假定为引力相互作用的量子，并被推测为具有无限长寿命、零电荷和零静止质量
Non - volatile random - access memory . a type of ram that retains its data even when the system is powered down . nvram frequently consists of an sram and a long - life battery 非易失的随机访问存储器。一种能在系统关机的情况下保持它的数据的ram 。 nvram常常由sram和长寿命电池组成。
The miniature high - pressure xenon series lamps currently developed have lightness and long life and other good features , and has passed the iso9002 standard authentication of international quality system 氙气系列灯泡，更具有高亮度，长寿命等特性。获得iso9001 - 2000版国际标准质量认证。
The miniature high - pressure xenon series lamps currently developed have lightness and long life and other good features , and has passed the iso9002 standard authentication of international quality system 氙气系列灯泡，更具有高亮度，长寿命等特性。获得iso9001 - 2000版国际标准质量认证。
