本公司是一家专业从事自主研发高性能荧光灯电子镇流器的生产厂家.Our company specializes in producing electronic ballasts of efficiency fluorescent illumination products.为了保证机壳内部空气流通,提高散热效率, 请垂直放置镇流器.To ensure ventilation and raise cooling efficiency, pl...
Bunbury flopped down upon the bed and rested his tired feet.邦伯里重重地倒在了床上，让他疲惫的双脚休息一下。O'Leary made to open the door, but Bunbury forestalled him by laying a hand on his arm.奥利里想去开门，但是邦伯里抢先一把摁住了他的胳膊。Bunbury groped in h...
矿井中用钢制通风机来保持空气流通。The pit is ventilated by a steel fan.螺旋式通风机从壁孔中排出空气.Propeller fans exhaust air through holes in the wall.窗上的通风机发出了耳语般轻微的嗡嗡声.The fan at the window made a small whispering roar....