... PPSprogressive power steering渐进式动力转向 PPVpressure protection valve过压保护阀 PROMprogrammable read only memory可编程只读存储器 ...
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... synchro valve 分路开关（同步阀） pressure protection valve 压力安全阀 supply reservior 贮气室 ...
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air pressure protection valve 气压保护阀
high oil pressure protection valve 高油压安全阀
The combined two-in-one temperature and pressure relief valve provides the least expensive and most proven means for protection against both excessive temperature and pressure.
二合一组合式降温减压安全阀对于温度过高、压力过大提供性价比最佳的安全保护。
The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.
研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。
The pressure relief valve can be mounted on an oil tank cover or a lateral wall of the transformer for protection in case of pressure of the oil tank in excess of the rated valve.
它安装在变压器的油箱箱盖或侧壁上，当油箱内压力超过规定值时，对变压器起保护作用。
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