aEach normally open valve should be secured by means of a seal or a lock or shall be electrically supervised in accordance with the applicable FM standards. These valves should be kept in the fully open positions. 应该通过封印或锁巩固每个通常开放阀门或者电子被监督与可适用的FM标准符合。 在充分...
Why is '-ed' sometimes pronounced at the end of a word? Popular in Wordplay See All Top 12 Sophisticated Compliments Word of the Year 2024 | Polarization Terroir, Oenophile, & Magnum: Ten Words About Wine 8 Words for Lesser-Known Musical Instruments ...
exhaust manifold ther exhaust open timing exhaust oxygen level exhaust tube stump exhaust unheard exhaust valve lash ad exhaust valve leakage exhaustconditioningbo exhaustgasanalysissys exhaustion limit exhaustion of resourc exhaustive sampling exhaustive set exhaustlessexhibitori exhibit a exhibit category exhi...
aI will know for sure in about a week. 我在大约一个星期将肯定知道。[translate] ago all out in my classes 去 所有 在我类[translate] aPneumatic lock valve is open to one more drilling group. 气动力学的锁阀门是开放的对一个多钻小组。[translate]...
mystique - an aura of heightened value or interest or meaning surrounding a person or thing note - a characteristic emotional quality; "it ended on a sour note"; "there was a note of gaiety in her manner"; "he detected a note of sarcasm" vibe, vibration - a distinctive emotional aura ...
a lock名— 锁定名 lock动— 锁紧动 · 锁上动 · 锁住动 · 闭锁动 · 锁掉动 · 把...关起来动 · 关紧动 · 鋂动 · 撞锁动 lock名— 锁具名 · 水闸名 · 一绺(头发)名 plate名— 板名 · 板上名 · 牌名 · 钢板名 ·
The thermostat will send a signal to the gas control valve when the temperature decreases. In such a situation, the gas control valve will work on the signal from the thermostat to indicate there is a pilot light. The valve will open to allow gas to get into the burner to ignite a ...
Car seal devices lock or ‘seal’ a valve in the open, closed or mid position to prevent unauthorized operation of the valve. Valve operation can only take place by cutting the seal, thereby giving evidence of either tampering, or activity by an authorized worker. We stock a variety of ...
Because of this design, ball valves are a type of shut-off valve, meaning they can only be used to stop and start flow; not regulatethe flow. Ball valves are perhaps the easiest valve to see if they are open or closed. If the handle on top is parallel to the valve, it's...
With the poppet style spunding valve, a spring pushes against a poppet to keep the valve closed. When the poppet lifts up to open, the surface area the gas pushes against becomes larger, and the spring has to work harder to push the poppet down and reseal the valve. This can lead to...