随时检查冷却水塔水位、浮球开关及洒水头是否正常酒水团购。

Check out water cooling towers, float switch and sprinkler head is normal or not.

youdao

随时检查冷却水塔水位、浮球开关及洒水头是否正常酒水团购。

Check out water cooling towers, float switch and sprinkler head is normal or not.

youdao