Back Alley - Area between the back boundary line and the long service line for doubles.
单打端线和双打端线之间的长地带。
It was found by research that rotary kiln's axis whether or not in a line was the key factor of keeping rotary kiln regular service for long run.
通过研究发现，回转窑的轴线是否在—条直线上是保证回转窑长期正常运转的关键。
The light source is arranged in a curved line. The series has an excellent luminous efficiency and a long service life.
采用一体化拉伸铝鱼鳍型散热器技术，光源以弧形排列，高效率、长寿命。
The light source is arranged in a curved line. The series has an excellent luminous efficiency and a long service life.
采用一体化拉伸铝鱼鳍型散热器技术，光源以弧形排列，高效率、长寿命。
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