同时又采用了波纹管补偿器作为活动烟罩循环管道的柔性连接件，大大提高了设备的可靠性和安全性。
Bellows compensators were used as flexible couples of circulation pipes of the moving sm oke cover, which greatly in-creased reliability...
同时又采用了波纹管补偿器作为活动烟罩循环管道的柔性连接件，大大提高了设备的可靠性和安全性。
Bellows compensators were used as flexible couples of circulation pipes of the moving sm oke cover, which greatly in-creased r...
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