automatic call device

中文翻译自动关门装置

同义词释义

    1)automatic call device,自动关门装置2)automatic door operator,自动开门装置3)door operator,门自动启闭装置4)self-closing device,自动关闭装置5)automatic replacement device of the valve,阀门自动复位装置6)door retainer,防火门自动控制装置

用法例句

    The new-rebuilt plans for the automatic replacement device of the valve and dishing arrester are presented.

    提出阀门自动复位装置及碟式制动器改造方案,实验表明该方案能抑制阀位漂移,满足泵站运行要求。