blow-down pit是什么意思

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This article introduces the general design method of atmospheric vessel's vacuum relief.

介绍了常压容器真空泄放设计的一般方法。

The facilities for overpressure protection and negative pressure protection of LNG storage tank,the parameter setting and the selection considerations,key points of design and installation of pressure and vacuum relief devices are discussed.

介绍了LNG接收站的基本工艺和LNG储罐的基本要求,分析了LNG储罐压力检测内容,论述了LNG储罐超压保护和负压保护的设施、设定参数、压力和真空泄放装置的选择依据与设计安装要点。

Pressure and Vacuum Relief Devices of Storage Tank at LNG Receiving Terminal

LNG接收站储罐压力和真空泄放装置

The canister vapor-vent value is operated by vacuum.

活性炭罐蒸气排泄阀是由真空控制的。

a small cock or faucet or valve for letting out air or releasing compression or draining.

放出空气或浓缩或排泄的小栓或旋塞或阀。

Experimental Studies on the Characteristics of Dust Explosion in Closed Rooms and Relief Calculation;

密闭空间粉尘爆炸特性的实验研究与泄放计算

Summary on reason of aluminum alloy panel radiator by vacuum brazing leak out

铝合金板式换热器真空钎焊泄漏原因分析

discharge from safety and relief valves

由安全阀和泄压阀泄放

Vacuum Assist: Leaks or restrictions in the vacuum circuits of vacuum assisted engine control system devices are not monitored by the MSA.

真空助力： MSA不监测真空助力引擎控制系统设备的真空管路中泄露与堵塞。

If the refrigerant system fails to reach the specified vacuum, the system has a leak that must be correcteSee Refrigerant System Leaks in this group.

如果冷媒系统失效未能达到指定的真空，系统存在必须修理的泄漏。请参阅本单元冷媒系统泄漏。

Key Technology and Design of Vacuum Tank Discharge in Vacuum Sewerage System

真空排水系统真空罐排放的关键技术与设计

It was errie to see these miniatures huddled together against all that space.

望着这些把空地挤得水泄不通的袖珍小屋，真有点害怕。

This paper uses ultrasonic technology to put forward the new method of examination vacuum system leakage.

运用超声波技术提出了检测真空系统泄漏的新方法。

Frictional Performance and Leakage of Ball Bearings Lubricated by Chlorphenyl Silicone oil in Vacuum

氯苯基硅油润滑球轴承在真空环境下摩擦性能与泄漏量研究

A vacuum UV electrodeless discharge lamp is designed.

本文介绍一种真空紫外无极放电灯.

Even if he can start handing out loans, this finance trust of his is still nothing but a hoax!

尽管他当真要放款，那托辣斯还是空炮！

Arc Discharge in the Vacuum Induction Melting and its A voidance

真空感应熔炼中弧光放电及解决办法

Introducing Vacuum Negative-pressure Technique and Reducing Coal Dust Problem in Fully Mechanized Caving Face

引进真空负压技术 降低综放面煤尘

Studies on the Influence of Venting Duct on Explosion Venting;

泄爆导管对燃爆泄放过程影响的研究

engine thermostat housing drain valve

发动机恒温器壳放泄阀