A system including LED assemblies, which system can efficiently and consistently provide a desired color output.
一种包括LED组件的系统，所述系统能够有效并且始终如一地提供所需的颜色输出。
Now she has an annual output of 150 thousands transmission shaft assemblies, 20 thousands large and medium-sized tractor drive shafts.
现己形成年产传动轴总成150000根，大中型拖拉机驱动轴20000根。
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