淋浴时不是打开排气扇而是让它关闭。
Instead of turning on the exhaust fan when showering, leave it off.
因为反应器已经关闭了很长时间，残余热量下降到了一个显著的低水平，因此工厂内部的压力已经稳定，不再需要继续排气。
Because the reactor had been shut down a long time ago, the decay heat had decreased to a significantly lower level, so the pressure in the plant stabilized, and venting was no longer required.
关闭空调，排气扇，通风口和炉子。
开启针形阀“B”和排气或旁路针形阀，排放到大气中，然后关闭针形阀“B”，将系统恢复到正常的静止状态。
Open needle valve "b" and vent or bypass needle valve, bleeding to atmosphere, then closing needle valve "b" restores the system to a normal static condition.
使用滚柱挺杆或滑动挺杆来传动旋转凸轮轴做上下快速提升动作（开启和关闭发动机的进气阀和排气阀）的现代型汽车发动机似乎不会出现上述自动熄火的情况。
Modern car engines that use rolling or sliding tappets for transmitting the rapid up-down lifting motion of the spinning camshafts—to open and close the engine’s inlet and exhaust valves—seem immune.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Open vent needle valve and bleed air from hose. Then close vent valve.
由于进气门关闭、排气门也已关闭，现在活塞上部的空间被密封了。
The space above the piston is now sealed due to the inlet valve closing and the exhaust valve having already closed.
当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。
When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal.
钢瓶返还给供应商时，正确关闭钢瓶阀门，替换并固定阀门排气口密封，正确安装钢瓶帽。
When returning cylinders to the supplier, properly close the cylinder valve, replace and secure any valve outlet seals, and properly install the cylinder cap.
开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。
Open needle valve "b" to bleed air and then close "b" and vent needle valve.
在压缩行程，活塞向上运动，进气门和排气门关闭，活塞压缩混合气。
On the compression stroke, the piston moves up. The intake valve and exhaust valve close. The piston compresses the air-fuel mixture.
在发动机中，凸轮轴上的凸轮控制进气门和排气门的开启和关闭。
In the engine, cams on the CAM shaft cause the intake and exhaust valves to open.
在作功行程，进气门和排气门关闭，火花塞点燃混合气，活塞向下移动。
On the power stroke, the intake valve and exhaust valve close. The spark plug ignites the air-fuel mixture, the piston moves down.
关闭排气阀和区域阀门。
但是像进气门一样，排气门需要时间到达充分打开和关闭的位置。
But like the inlet valve, the exhaust valve needs time to reach the full-open position, it also needs time to reach the full-closed position.
推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。
Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.
排气阀门的关闭直接造成参与气泡振荡的气体质量的减少，第二气泡脉冲相对主脉冲明显减小。
When the exhaust valve is closed, the gas with the bubble oscillation reduces, causing the bubble impulse lower the pressure impulse obviously.
计算分析了进排气门实际关闭相位，并根据低压示功图中气门落座冲击引起的干扰信号间接确定发动机运转时的实际关闭相位。
The actual valve closing phases have been calculated, analyzed and determined in accordance with the interference signals caused by valve seating impulse in the low pressure indicator diagram.
进气冲程在活塞位与气缸顶部（进气门开启，排气门关闭）时开始，在活塞到达其行程的底部时结束。
The intake stroke starts with the pistonat the top of the cylinder (intake valve open and exhaust valve closed) and stops with the pistonat the bottom of its travel.
再打开灶头气源开关，灶头点燃后关闭排气管阀门。
Then turn on the stove gas source switch. After the stove is lit up, turn off vent-pipe valve.
压缩机电机部分出现问题、压缩机吸、排气阀关闭不严和热保护器故障应采取更换的办法。
Some problems with the compressor motor, compressor suction, exhaust valve closure lax and thermal protection should be taken to replace the failed approach.
使用滚柱挺杆或滑动挺杆来传动旋转凸轮轴做上下快速提升动作(开启和关闭发动机的进气阀和排气阀)的现代型汽车发动机似乎不会出现上述自动熄火的情况。
Modern car engines that use rolling or sliding tappets for transmitting the rapid up-down lifting motion of the spinning camshafts-to open and close the engine's inlet and exhaust valves-seem immune.
通过对模糊控制器的设计，计算出EQ6 10 0汽油机在不同工况下的排气门提前开启角和进气门滞后关闭角的模糊控制值。
The fuzzy control values of the optimized exhaust lag angle and intake advance angle of the EQ6100 engine are calculated by designing the fuzzy controller.
当石油开始流从年底，胶管，关闭排气阀，删除胶管，然后收紧流血阀。
When oil begins to flow from end of hose, close bleed valve, remove hose, then tighten bleed valve.
当石油开始流从年底，胶管，关闭排气阀，删除胶管，然后收紧流血阀。
When oil begins to flow from end of hose, close bleed valve, remove hose, then tighten bleed valve.
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