我们的标准产品上装有含6英尺电线和双位开关的电箱。
On the standard item we mount an electrical box with 6 foot cord and on off switch.
自动式卷皮及双位夹具固定式工作，精度及效率大大提高。
Auto rolling and double fixtures fixed work greatly improve accuracy and efficiency.
研究了汽车前照灯近光照射方位角双位屏幕板检测原理及方法。
Study the test principle and method of automobile headlamp near shine azimuth with pairs of location screen boards.
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