光控的便池冲水器能够节约很多水。
The light-control urinal flushing machine can save a lot of water.
光控的便池冲水器能够节约很多水。
The light - control urinal flushing machine can save a lot of water.
因为，对于薄纸印刷，光控功能更为重要。
Because, for the thin paper printing, light control function is more important.
光控开关主要是由发光素子、受光素子构成。
Light control switch is mainly light bamboo, bamboo form by light.
光控开关主要是由发光素子、受光素子构成。
Light control switch is mainly light bamboo, bamboo form by light.
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