《工程机械英文技术词汇》检索：predetermi... ... preset number；预定数[序号] preset pressure；预设[调]压力 preset scan；预调扫描 ...
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Adjustable preset pressure 压力可调整
pressure preset ventilation 通气 ; 型通气 ; 故统称为压力预设通气 ; 统称为压力预设型通气
pressure preset respirator 定压式呼吸机
Impression pressure Preset 压印压力预设
pressure preset entilation 压力预置型通气
First close manual shutoff located before the fill-valve, then draw system pressure down to 12psi (or other preset pressure) and observe system for pressure buildup several hours later.
首先关闭位于进水阀之前的手动关闭阀，然后将系统压力降到12psi(或其他预设压力)，几个小时后，观察系统的压力上升状态。
Installed in a mainline it prevents upstream pressure from dropping below a preset minimum. Solenoid override of the sustaining function allows for electrical on-off operation.
安装在主管线内，防止上游压力降到预置最小压力以下。电磁阀的过载平衡功能使其能够进行电气开-关操作。
Because of the dual-orifice design, there is a preset controlled pressure differential for the secondary steam system, while maximum pressure differential is available to discharge the condensate.
由于采用了双阀孔结构设计，在最大压差下排放凝结水的同时，还有一个为二次蒸汽系统设计的预设压差系统在工作。
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