Lamp with long, 3000 hour service life.
使用预设寿命长的(3000小时)灯泡。
With high efficiency, long service life.
具有高效节能,寿命长等特点。
They are also well made, with steady running and long service life.
做工精致,运转稳定,使用寿命长。
With simple structure and long service life, it is safe and convenient.
结构简单,使用寿命长,安全方便。
Compare with common concrete, characters of high performance concrete is: 1. Long service life.
与普通混凝土相比,高性能混凝土具有如下独特的性能:1、使用寿命长。
With the above structure, operation of the seal is stable, and the service life is long.
采用本实用新型结构的密封运行平稳,使用寿命长。
With the above structure, operation of the seal is stable, and the service life is long.
采用本实用新型结构的密封运行平稳,使用寿命长。
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