In this paper the different types of port cover on the air intake ports in solid rocket-ramjet engine are compared in brief,and the results indicate that the consumable port cover is the direction of development in future.
简要对比了固体火箭冲压发动机不同形式进气道出口堵盖设计方案,指出可烧蚀堵盖是今后技术发展的方向。
Different types of air intake port cover in solid rocket ramjet were compared in brief.
简要对比了固体火箭冲压发动机不同形式进气道出口堵盖设计方案,着重对可烧蚀堵盖进行了研究,对其进行结构设计?应力分析和试验验证。
Study of Internal Compression Flowfield for Improving the Outflow Uniformity of Internal Waverider Inlet
改善内乘波式进气道出口均匀性的内收缩基本流场研究
At the same time air is sucked into the inlet to replace the exhausted air.
同时，外面空气由进气口吸入代替被排出的空气。
ln a tunnel, lots of air gets pushed out the exit and boom!
在隧道的出口那里压着大量的空气
His voice developed authority.
他口气出现了专横跋扈的味道。
The Russian Oil/Gas Industry and Export Pipeline Construction;
俄罗斯油气工业现状及出口管道建设
supplied with a vent or vents for intake of air or discharge of gases.
使用通风口使空气进入或放出。
According to the papers, our import &export increases every year.
据报道，我们的进出口每年都有增加。
On Detailed Design of the Pass in and out Openings of Non-excavation Construction Pipeline
非开挖施工管道进出洞口的细节设计
Tunneling Scheme for Bias Pressure Section of Right Line Tunnel Exist
桃墅岭隧道右线出口偏压段进洞方案
The valve shall be constructed with a molded diaphragm separating the air inlet from the potable water supply to prevent spillage.
这种阀门应该配置一个模压隔膜，将空气进口与饮用水供水管道隔离开来，以防止泄漏或溢出。
A means of approaching, entering, exiting, or making use of; passage.
通道，入口，出口，使用途径接近、进入、出去或使用的方法手段；通道
Discussion on Development Road of China s Aluminum Industry;
进口原铝锭出口铝材的发展道路更可取
This pressure closes the reed valve so that further downward movement of the piston compresses the trapped air-fuel mixture in the crankcase.
当活塞向下运动直到露出进气口,可燃混合气所具有的压力使其上升,通过进气口进入气缸。
"At the same time, the intake port, now cleared by the piston, begins to deliver air-fuel mixture, under pressure, to the cylinder."
同时,活塞使进气口露出,受压缩的可燃混合气开始进入气缸。
(23) import and export;
(23)进出口界；
1 Choice of fishway intake is the key of success or failure.
鱼道进出口的选择：这是鱼道设计成败的关键。
Study on Parameters and the Suitable Location of Branched Tunnel;
匝道隧道设计参数及进出口合理位置研究
hernia in which the urinary bladder protrudes through the wall of the vagina; sometimes occurs after childbirth.
膀胱突出进阴道壁的一种疝气。