... 替代产品或服务的威胁 Threat of substitutes 角膜移植替代产品-羊膜隐形接触镜 AMCL 替代光源产品 Replacement Lamps ...
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Two-Foot Linear Replacement Lamps 两英尺线性替换灯具
As long as the approach remains locked into replacement lamps, and products that must be replaced when they fade, the adoption into general illumination will be very slow.
只要这种方法在替换灯泡时保持锁闭状态，当他们褪色的时候，这些产品一定会被替换，在普通照明中采用将是缓慢的过程。
For efficiency, compact fluorescent lamps are an admirable replacement for regular light bulbs.
就效率而言，紧凑型荧光灯被看好为传统灯泡的替代者。
If the headlights damage, usually similar lamps for replacement.
如果前大灯损坏，通常采用类似的灯具进行更换。
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