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.
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.
本文对台车炉气动双位蝶阀产生的故障进行了分析，并提出了改进方案。
This paper analyzes the failures of air operated double position butterfly valve used in car type furnace, and puts forward improving plan.
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