1) air intake port
进气道出口
1.
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。
2.
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。
2) tunnel entrance and exit
隧道进出口
1.
In order to improve the operating safety at tunnel entrance and exit zone,the alignment design at that zone was studied.
为提高公路隧道进出口区域的运行安全,对该区域的线形设计进行深入研究。
3) channel inward and outward
进出口航道
5) airscoop
['ɛəsku:p]
进气口，进气道
6) intake port
进气口;进气道
补充资料：主要经营单位进出口总额(外贸进出口总额)
主要经营单位进出口总额(外贸进出口总额)：是指经营单位在本口岸和外口岸进出口的金额。自1999年1月开始使用海关统计数据。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条