bearing over-heat protective relay

... ) bearingalarm 轴承过热报警器 ) bearing over-heat protective relay 轴承过热保护继电器 ) bearing overloading 轴承过载 ...

热保护继... ... 1. overheat protective relay 轴承过热保护继电器 1. bearing over-heat protective relay 绕组过热保护继电器 ...