辅机膨胀水箱低位报警 Aux。

Engine expansion tank low level alarm.

youdao

当液位处于高位或低位时，浮球开关动作，发出报警信号。

When the level is high or low the float switch Works and alarms.

youdao

当液位处于高位或低位时，浮球开关动作，发出报警信号。

When the level is high or low the float switch Works and alarms.

youdao