分析了事故原因并提出避免事故的方法：避免淡盐水泵的气动调节阀发生故障或改变操作方法。
The accident is analyzed and the prevention method is provided, that is, preventing the pneumatic control valve of dilute salt solution pump from having breakdowns or changing the operating method.
适用于水泵、化工泵、液压、气动系统中的动密封。
The O-shaped sealing ring is adaptable to dynamic seal of water pumps, chemical pumps, hydraulic pressure and pneumatic systems.
适用于水泵、化工泵、液压、气动系统中的动密封。
The O-shaped sealing ring is adaptable to dynamic seal of water pumps, chemical pumps, hydraulic pressure and pneumatic systems.
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