Options include single or multiple station control panels, soundproof enclosures, UL approved controls, NEMA 4 enclosures, and various voltages.
选项包括单个或多个位置控制面板，隔音罩，UL认证控制，类型NEMA4外壳，以及各种电压。
Components for containment enclosures - Part 4: Ventilation and gas-cleaning systems such as filters, traps, safety and regulation valves, control and protection devices.
密封罩用组件。第4部分：通风和气体清洁系统(如，过滤器和疏水阀)的安全和规定。阀门、控制和保护装置。
The number of detected organic pollutants isolated from the water body of macrophyte enclosures was also lower than that of the control enclosure and the lake water.
水生植物围隔水体中可检出的有机污染种类也较对照围隔和大湖水体低。
The number of detected organic pollutants isolated from the water body of macrophyte enclosures was also lower than that of the control enclosure and the lake water.
水生植物围隔水体中可检出的有机污染种类也较对照围隔和大湖水体低。
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