Most field sprinklers use a rotating sprinkler head of the general type.
大部分田间喷灌采用通用的旋转式喷头。
Check out water cooling towers, float switch and sprinkler head is normal or not.
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.
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。
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