过载保护功能，废气抽风系统。
具有短路，过载，过流保护功能，使用更安全。
With short circuit protection, overload protection, over-current protection function, use more safety.
13试验台有欠压、过压、过热、过载等保护功能。
The test bench has under voltage, over pressure, super heating and over loading protection function.
13试验台有欠压、过压、过热、过载等保护功能。
The test bench has under voltage, over pressure, super heating and over loading protection function.
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