Three - way valve has three entrances and pipes , equivalent to two single - block valves synthetic one 三通阀有3个出入口与管道相连，相当于两台单座阀合成一体。
Type : fourth - generation single - engine , single - seater multirole fighter capable for interception , air superiority , and ground attack missions 类型：第四代单引擎，单座，担当拦截、空优和对地攻击的多任务战斗机。
The easy - e @ and design e valtves are rugged , single - port globe , angle , and reverse - acting { push - down - to - open } valves designed for many veried applications 阀门包括一系列的高性能单座直通阀，广泛应用于普通工况，以及耐侵蚀、防气蚀和降噪声的场合。
Besides the trainer version , the mig - at family can include a combat - trainer version , light tactical single - seat aircraft , carrier - based trainer version and patrol single - seat aircraft At系列除了教练型外还可以包括轰炸-教练型,轻型战术单座战斗机,舰载教练型,和单座巡逻型
Three - way valve has three entrances and pipes , equivalent to two single integrated block valves ; use three - way valve , a two - valve and can be saved over a three links 三通阀有3个出入口与管道相连，相当于两台单座阀合成一体；使用三通阀时，可省掉一个两通阀和一个三通接管。
On the base , choose more than 30 veranda style dwelling for further research , study the veranda style dwelling outside and inside thoroughly , put more attention into the collide and amalgamation between chinese and western 并在此基础上，选取其中具有个性的30多座外廊民居进行深入研究，对单座的外廊式民居的外观与内部进行透彻的分析，特别是对其中所表现出的中西碰撞与融合进行较大程度的关注。
In the french air force , mirage 2000 fighters in operation are : mirage 2000c / b single seater and two seater for air defence ; mirage 2000n , two seater , designed for all weather nuclear penetration at low altitude and very high speed ; and mirage 2000d , which is an upgraded version of the mirage 2000n , for automated bombing using conventional and laser guided munitions ; e type for multi purpose exporting version ; r for single seat day / night eaporting version 在法国空军内，现役的幻影2000战斗机为幻影2000c型单座战斗机、 b型双座战斗教练机、幻影2000n双座全天候低空高速核攻击机以及其改进型d型常规精确制导武器攻击机、幻影2000e多任务出口型、幻影2000r单座昼夜侦察出口型。
