...r of 1.2, the F factor value in column II for » 使用安全系数的 1.2,第二列中的 F 因子值为 METAL LIGHTING » 金属照明设备 you are the bes that i met » 你是BES,我会见了 ..
基于12个网页-相关网页
The majority of wiring and lighting were placed within a metal cover, but two cylindrical spotlights are used to focus the light on the boardroom table.
大多数的布线和照明被安置在金属覆盖层内,同时两个圆筒形的聚光灯用于聚集光线,照射在会议桌上。
They put in metal beams to support the tunnel as it ran under one of the country's main highways, and they installed lighting and ventilation.
他们在地道里搭建了钢管用以支撑这条穿过了一条国家的主干道的地道,还在地道里安装了照明和通风系统。
Nadeng. - Nadeng and metal halide lamps is pressurized gas or electric, the main efficient lighting products.
高压钠灯。高压钠灯和金属卤化物灯是目前高压气体放电灯中主要的高效照明产品。
应用推荐